Vented soffit calculator 5” if I really need to but would rather avoid drilling big holes and cutting out he ridge vent if I can avoid it. ft. By following these steps, you can ensure that your attic will have adequate ventilation to prevent problems like mold and overheating, ultimately Thanks for your reply, the soffits are well open to the attic and are 24" wide (this is on the rear of house, front and sides are shorter). See typical tasks and time to install an aluminum soffit, along with per unit costs and material requirements. Calculate your requirements. So, if you have a 1,500-square-foot attic, dividing by 150 leaves you with 10. All components are virtually maintenance-free and covered by our limited lifetime warranty. VMAX-AT1-DF | With Deflector; VMAX-AT1-L/S | Rectangular; VMAX-AT2-L/S | Triangular; VMAX-Mansard | Mansard Soffit Drip Edge; Wall and Soffit Air Intakes. To calculate the number of pieces of drip edge, divide the total linear footage of the outer perimeter of the roof edge by 10. Calculation: (for 4-foot length of ridge vent) 475 sq. For instance ridge and soffit vents Example of Soffit and Fascia Calculator. The soffit width is 1. Code: GPBV The calculator below will find the overall number of vents needed to effectively ventilate the targeted attic space. This product is third-party certified for product quality and color retention offered by the Vinyl Siding Institute to meet long Get 2025 Soffit price options and installation cost ranges. 16" Center vent aluminum soffit Rollex aluminum soffit beautifully complements brick, stucco, fiber cement or vinyl siding with a beautiful, maintenance free finish. Soffits are the horizontal surfaces that enclose the underside of a roof overhang or roof eaves. Supplier Website https://www. It is made with heavy-duty . 5 pieces of vent (or nine 16" Once the calculations are complete, enter the inputs into the application and find pertinent information calculated by our application that helps design your ventilation system to be within code limits and function with balance of intake Net Free Area and Exhaust Net Free area without having to perform remedial arithmetic, because this is an CertainTeed Triple 3-13” InvisiVent is a high-performance soffit that provides superior ventilation for your home. Intake Vents. Paypal Credit 0% interest for 4 months. Soffit Vents, Soffit Round Vent with Built-in a Fly Screen for Bathroom Office Home. Home (current) However, depending on particular circumstances and specifications, this calculation might change. 4 mm TABLE 5—MAXIMUM WIND SPEEDS FOR EXPOSURE CATEGORY (mph)2 ult Soffit vents play an important role in roof ventilation. The Vinyl Soffit Calculator is a valuable tool that simplifies the process of determining the required vinyl soffit material for a given space. The calculator will determine the number of square inches of NET FREE AREA required for You can do it by hand, or you can use the following Soffit Vent Calculator (you will get soffit vent square footage, as well as a number of standard 16×8 soffit vents you need). VMAX Soffit 50%; VMAX Anti-Gust; VMAX Anti-Gust Wall Soffit; VMAX AE-VENT | Wall Louver; Adjustable Plumbing Flashing; Accessories; Installation; Support. Therefore if the covering reduces the gross opening area by 50% then twice as many openings would be required. Let's say your simple gable (first of several Soffit lends a crisp, clean appearance to the eaves and rooflines, but did you know it also helps to keep your home structurally strong? Siding Calculator; Installation; Warranty; Environmental; Associations; Vinyl Siding Institute; Gallery; Blog; Professional Architect Guide; Equinox Soffit - Hidden Vent. 019: 12' 12: Most soffit designs don’t provide enough continuous NFA to work with roof exhaust requirements. Tip: If you’re also using a ridge vent, and because they normally run the entire length of the ridge, calculate the net free area of the ridge vent and then subtract it from the total NFA value to find out how much area needs to be fulfilled by your soffit vents. 00 – $235. See typical tasks and time to install a vinyl soffit, along with per unit costs and material requirements. There are two important pieces of information required to calculate the adequate number of vents. Once you know the total venting area, simply read the amount of venting each of the units you plan to install provides — which is written The hidden vent style takes it a step further by providing an impressive net-free intake area of up to 9. Siding. Buchner Manufacturing Inc. ASCEND Composite Cladding; Insulated Vinyl Siding; Vinyl Siding Vulcan Vents have met the standard requirements under the American Society for Testing and Materials (ASTM) E2886 and sufficiently passed the ASTM E119 one-hour fire test to effectively block ember entry. Find the best options to improve ventilation and protect your home. SNAPVENT® / EZVENT® Continuous Soffit Intake Vents - 9 sq. See professionally prepared estimates for For soffits with cutouts like vents or light fixtures, measure overall dimensions, calculate the total area, and then subtract the area of each cutout. Choose from a palette of 10 low-gloss colors to perfectly complement your home. Screws, Nuts and Bolts See all. Department of Housing and Urban Development Statutes typically require one sq foot of net free vent area per 150 square feet of attic area to be vented (1/150 rule). Add To Cart. Click here! Support:1-800-461-5300; Sales Rep Locator; Resources; Grease Interceptor Calculator; Warranty Registration Card; Menu. Available in four lengths for ease of installation, saving you time and money on the jobsite. Calculation Formula. If we assume a ventilation strategy that involves a combination of dome roof vents and continuous soffit vents, this building would need (22) 15” diameter dome roof vents (3096 sq. trailer skirting. . Input the soffit depth in inches and fascia/gable length in feet to find out the number of panels required. Data Sheets. Free, online Soffit cost guide breaks down fair prices in your area. Plastic Soffit Boards. every 15" of soffit length. Since all SNOWVENTCO Storm Vents are rated as 50 sq. See typical tasks and time to install a wood soffit, along with per unit costs and material requirements. You are currently viewing: Home / Duraflo / Intake Vents / Round Soffit Vents. They also help provide proper temperature balance and energy performance. 15” diameter dome roof vent = 144 sq. Roof Calculate the total attic ventilation needed with the easy-to-use 1:300 rule. If you have soffit vents, determine if there Use this 3-step ventilation calculator to determine exactly how much ventilation you will need to achieve that perfectly balanced and healthy attic. 6 (266 cm2/m) For SI: 1 inch = 25. 2. FT. ie. 06 inc VAT Was: £0. These sturdy, lightweight, low-maintenance panels are very easy to install. 00 – $210. Your next step is to divide your total area of venting needed by two. 25 in. Or they space the ridge cutouts in 2-3 intermittent sections. The measure of performance for this is calculated Aluminum T4 Center Vented Soffit 3/8" Butt Product Code: T4 Center Vented Soffit 3/8" Butt (CVPAT43/8) Finish: Poly Gauge: Nominal . 7 sq. Soffit panel exposure: INCHES. 044” thick vinyl for rigidity and can even be used as vertical siding. Calculate Roof Tile Vent Spacing. The proprietary ENTEX finish uses Cool Chemistry® paint technology which won’t chip, crack or peel, and can also reduce energy costs. Certain scenarios change the requirement to one sq foot of net free vent area per 150 square feet of attic area to be vented (1/150 rule). 65 inches. If you have a soffit with a length of 20 feet and a width of 2 feet, the area calculation would be: Step 3 – Calculate Number of Vents Needed. Enjoy the beautiful smooth surface of Stealth Soffit while taking advantage of its hidden ventilation perforations. 60 - $9. For instance ridge and soffit vents are commonly used together to create a continuous flow of air through the attic space. Imagine a house with each side measuring 20 feet where soffit and fascia are require. How It Calculates: The soffit area is calculated by multiplying the length by the width. Soffits are typically used as the exposed undersurface of the roof overhang above exterior siding. Most local building codes require compliance with either the 1/150 method or the 1/300 method exception (refer to View Article The basic cost to Install a Vinyl Soffit is $5. This ventilation is crucial for maintaining a healthy, The basic cost to Install an Aluminum Soffit is $10. Install a minimum of 1 square foot of attic ventilation for every 300 square feet of attic floor space being ventilated when using soffit to ridge venting, per the U. There is a single 2x4 running parallel to the eve so the vented soffit pieces can be secured to that. The cost for the soffit is determined by multiplying the soffit area by the price per square foot. 99 - $6. Soffit Boards. Overhang: INCHES. If you purchase a roof vent, the Try to budget and additional 7-15% more on top of what our calculator gives out for Vented Soffit cost. Duraflo round soffit vents offer high quality at a reasonable price. Beadboard vinyl ABTCO Vented Woodgrain Soffit (D5) Double 5-inch x 144-inch Prairie Wheat Exterior Vinyl Siding Accessory (20/Box) $317 And. Basic Better Best; Material Prices: $190. Send your questions to Tom: http://homeshowradio. Effective attic ventilation requires air to exit at or near the peak of the roof and replacement air to be drawn in under the eaves of the house, via soffit venting. The basic cost to Install a Wood Soffit is $3. Vented soffits are designed with perforations, louvers, or other openings that allow airflow into the attic or roof space. 0 (105 cm 2/m) Hardie®Soffit and Cemsoffit® 51/ 4 4. Toggle navigation (800) 438-2920; Search for: OffRidge Intake & Exhaust Vent; ContinU Flow Attic Ventilation Calculator. Smooth, flat surfaces provide the circulation you need without visible perforations (total net free air There are two types of soffits to choose from: Solid Vinyl Soffits – Solid soffits are ideal for use on homes with large attic spaces that are already well ventilated. This approach ensures that individuals looking into the costs can see a complete service without hidden charges, allowing for accurate budgeting and planning. For nail-base ventilated roofs, please use our To calculate the soffit vent space, calculate the floor area, divide by 150 or 300, as applicable, and then divide that number by 2 since the venting should be shared equally between roof and soffit vents. 4 sq in / lin ft Fiber cement soffit stays strong and does not appeal to woodpeckers, termites and other pests. /foot NFA OPTION 2 - Use soffit NFA averages for calculation. The design incorporates rows of small holes hidden from view along both sides of the panel’s deep, dovetail grooves to promote continuous airflow for cool, dry attics. Cut soffit panel at 45° angle to form corner. Georgia-Pacific Vinyl Siding Beaded Soffit. ft in size then it needs a net free vent area of 10 sq. Ensure your measurements are accurate to avoid mistakes in your calculation. sq. Made of aluminum. 55 sq in / lin ft Triple 4 . The Attic Ventilation Calculator will help you calculate the Net Free Area for your project and the necessary vent width for your ridge vents or vented fascia products. soffit soffit vents. This calculator assists users in estimating the amount of vinyl soffit needed, thereby aiding in budgeting and planning for home improvement or construction projects. Aesthetically, soffit helps a home look more finished by covering The success of a vented attic or roof deck relies on its airtightness. For your project in zip code 23917 with these options, the cost to install a vinyl soffit starts at $4. Go into the attic to determine the actual size of the vent holes, the length (Amt) of the ridge vents, etc. Designed and patented by Quality Edge, this aluminum ventilation solution combines aesthetics and performance. 00 – $265. This video describes calculating ridge vent and soffit vent size. You'll get the same woodgrain look that matches other LP® SmartSide® products in a soffit that delivers all the warmth and beauty of traditional wood. 1. Continuous or Individual Soffits. A pre-vented general-purpose boards is a popular choice for soffit applications with a line of built-in ventilation along the length of the boards. Soffit length: FEET. Vented soffits allow airflow throughout the attic. Efficient, subtle and hassle-free, the Timloc Push-in-Round Soffit Vents, are the ideal choice for use in roofing refurbishments with a free airflow of 2000mm2 per unit. 00 ex VAT Timloc 3011-25 Over Fascia Vent Strip With 25mm Opening - 300mm (Pack of 10) From To calculate a ventilation plan, determine the attic’s total square footage and apply either the 1/300 or 1/150 rule to find the required ventilation area. Step 2: Measure and Mark . Divide this by 144 to calculate how many square feet each vent is. Vulcan Vents are used and trusted by construction and insurance companies nationwide for good reason. Input project size, product quality and labor type to get Soffit material pricing and installation cost estimate examples. Soffit vents come in many designs, colors, and shapes. ÷ 72 = 6. Hardie®Soffit and Cemsoffit® 53/ 4 and over 5. 50 Inc VAT. ATTIC VENTILATION CALCULATOR Note: Calculations are based on 1 square foot of Net Free Area for every 150 square feet of attic floor space. /foot NFA: Linear Ft. As per the International Residential Code, a ventilated attic needs a net free vent area of 1/150 sq. Warranty Information 641604: 16" X 4" Soffit Vent White: 641608BR: 16" X 8" Soffit Vent Brown: 641608: 16" X 8" Vented Soffit Boards - 10mm . 5. Vented soffits are a key tool for A soffit vents calculator can determine how many soffit vents are needed for proper attic ventilation. Even better, thanks to the reliable polypropylene build, the vents . The vents installed at the top of the roof will take the air out, optimizing circulation. The types and quantity of roof vents are calculated Vented soffit boards are very effective at protecting your roof from moisture. 99 /package. 88 per linear foot in January 2025, but can vary significantly with site conditions and options. Add to Cart. mfp. Not sure how? Take a look at why choosing vented soffit panels is a must — not a simple style preference. Before choosing the size of the vent, make sure to measure the total required number of vents and see if they will fit within the dimensions of the soffit. A seller will help you calculate how many soffit vents you’ll need to cover your entire roof. A balanced ventilation system, with at least Duraflo® 8-foot plastic strip soffit vents ensure ample fresh air for a home's attic. Choose your requirements. It's crafted of lightweight aluminum with a versatile birch white finish. Then, decide on the number and type of vents you’ll use (gable vents, soffit vents, ridge vents, etc. This triple panel design is ideal for shallow eaves and overhangs. Half of the vents should be intake vents and half should be exhaust vents. This 2 Pcs 4 in. Pick out your soffit vent size and determine the square footage of the vent. The Attic Ventilation Calculator will help you calculate the Net Free Area for your project and the necessary vent width for your ridge vents or All three soffit configurations – solid, center-vented and full-vented – are available in 20 Sherwin Williams WeatherXL ™ colors. The calculator will determine the number of square inches of NET FREE AREA required for adequate attic ventilation based on the 1/300th general requirement. See professionally prepared estimates for Using Soffit Calculators. Soffit vents are perforated planks installed on the underside of the roof to allow airflow into the attic. 52 per linear foot in January 2025, but can vary significantly with site conditions and options. 044" Matte Finish Solid and Hidden Vent T3 1/3 = 10 sq in / lin ft Triple 4 . Warranty UPVC soffit combines functionality and aesthetics, making it a popular choice for homeowners. Learn More. A continuous vent soffit, in addition to a continuous vented roof can add years of Soffit vents are required to cool the attic space and help circulate air from outside. Find a calculator Let us work out what you need. Federal Housing Authority. vent area needed. With 5 pre-finished Proper attic ventilation consists of a balance between air intake (at or near your soffits) and air exhaust (at or near your roof ridge). 51 per linear foot in January 2025, but can vary significantly with site conditions and options. Complete cost for vinyl, vented soffit panel in 12" x 12' sections. Tom can help. A soffit vent is an attic vent, not a roof vent. Federal Housing authority recommends a minimum of 1 square foot of attic ventilation (evenly The next step is to select a suitable exhaust vent and intake vent that fits the roof design for best performance and best aesthetics. 75 per m £52. Continuous soffit vents offer you a great source of ventilation and are simple to install into eaves or soffit boards. 3 planks. I've calculated how many soffit vents needed, without gable vents. If the soffit is 12 feet by 3 feet (36 ft²) with a cutout of 1 foot by 1 foot (1 ft²), the net area is 36 ft² - 1 ft² = 35 ft². vented cedarmill woodgrain soffit panel is for installation on the underside of roofline eaves; Soffit is factory primed using To find out how many soffit vents you need, divide the required soffit vent area by the area covered by an individual vent, as per the formula number of soffit vents = soffit vent area / 0. Add soffit vents. Fully vented D5 style soffit in a brushed finish. The two-inch wide vents, equipped with louvers, effectively shield against rain and insects. I would instead calculate your entire soffit area and take a % of to find your vent opening area. I could maybe do 1. 5 feet, and the fascia height is 1. 0 (84 cm 2/m) Hardie®Soffit and Cemsoffit® 4 3. However, for roofs with a 30° pitch and over, you can use Vented Soffit which provides the Roof Vent Calculator The Tool Below Will Help You Determine HUD Minimum Ventilation Requirements. Ridge vents, soffit vents, and roof vents with fans can be effective options. 0 (64 cm2/m) Hardie®Soffit VentedPlusTM and Prevail® Soffit VentedPlusTM 12, 16 & 24 12. , and at 6 sq in NFA per sq ft, it comes to 132 sq. Vented Vinyl Soffits – Vented soffits are The two main types of soffits are vented soffits and non-vented soffits. ft of vent area per 150sq. It also helps prevents mildew, mold and fungus from infiltrating the home due to excessive moisture build The need for wood blocking and vented soffits is eliminated, thereby reducing costly and dangerous field labor. To ensure proper roof ventilation in Ireland, it is important to calculate the number of roof vents Hambleside Danelaw Round Soffit Vents With Flyscreen - Pack of 50 From £16. inches NFA. Available in 43 colours. The size of roof vents should be calculated based on the attic space volume, with general guidelines suggesting a ratio of 1:150, meaning 1 square foot of vent area for every 150 square feet of attic floor. Contact Us (800) 438-2920. Visit every supply house that sell your particular brand of Vented Soffit and try to negotiate a better price with each supplier – I save on average 20%. ft of attic area. BROCHURES; BULLETINS; Ventilation calculator. needed. CertainTeed Perimeter Soffit is available in Triple 3-1/3“ solid and hidden vent styles, the vented panels are exclusively designed for soffit use. Department of Housing and Urban Development (HUD) sets standards for the Minimum Net Free Area. 0 NFA, offers effective and concealed ventilation for homes. The Home Ventilating Institute (HVI) recommends OPTION 2 - Use soffit NFA averages for calculation. The code compliance method required for the project. 042" Matte Finish Solid and Vented Beaded = 2. To preserve and protect the underside of any roof edge, choose from our large range of collection of soffit board sizes and types including Solid Soffit and Hollow Soffit. The calculator considers factors like attic size, insulation type and amount, and climate conditions. 00 - $18. Enter the Dimensions: Input the length and width into the calculator. It also reduces the number of trades involved, thus consolidating responsibility. / 144 sq How do you calculate vent requirements? Vent requirements are typically calculated based on the 1:150 or 1:300 rule, which means you need 1 square foot of venting for every 150 or 300 square feet of attic space. If you know the total area, the calculator can also help you determine the required length or width. That means 1sq. When determining the minimum ventilation openings, you are calculating the net area. 6 pieces of vent (or seven 4-foot lengths of ridge vent) (for 16" x 8" undereave vent) 475 sq. Select product model and color for features. Attractive and durable, Alside aluminum soffit is offered in an array of styles and sizes to provide beauty while protecting hard-to-reach areas with a durable finish. 019 Length: 12' Pieces per carton: 16 Cartons per skid: 24 *For T4 aluminum soffit, 3/8" accessories are needed for installation. Certain scenarios change the requirement to one sq foot of net free vent area per 150 square feet of attic area to be vented (1/150 [] How Many Joto-Vents Do I Need? If you’re thinking about installing the Joto-Vent System for your home, then you’ll probably wonder how many Joto-Vents are involved. ) So the standard 16-inch-by-8-inch soffit vent is 0. 5 sq ft vents. They are installed on the underside of the eaves, allowing air to flow into the attic space. U. Home. Soffit Aluminum HT Soffit Systems. Use the Duraflo Ventilation Calculator to determine your home’s ventilation requirements. 89. 019" gauge aluminum and has 3. With a quick and simple installation method, they can be easily fitted to existing soffit boards by DIY homeowners or experts without a problem. Run a ventilation calculator for the square footage of the roof. About Us. White. Get help with your home improvement projects. Straighten the rafter tails by pulling and snapping a chalk line across the ends Soffit Vent Costs Zip Code Lineal ft. x 144 in. Click here to request a quote today! Support:1-800-461-5300; Sales Rep Locator; Resources. Keep in mind the ratio of vented to non-vented panels will differ depending on your home and your installer’s techniques. Gable vents (louvres), After calculating the size of a gable vent, then divide by 1/2 for the nfa. ) and calculate the size of each vent to achieve the desired ventilation rate. 66m Ply Gem Economy Triple 4 in. (length x width) ÷ 150 = sq. This online ventilation calculator does the math for you. Measure the area of the vent and multiply by 1/2 to get the net free area. Roof Air Intake Vents. Prices from. 1/150 is the most recommended. Each type serves a specific purpose and is installed in different areas of the roof to ensure balanced airflow. However, for roofs with a 30° pitch and over, you can use Vented Soffit which provides the Often roofers/builders will cut a calculated # of linear feet and center it on the ridge, leaving the ends of the ridge without ventilation. Vented Vinyl Soffit beautifully covers eaves and overhangs on your home, while providing ventilation to the attic. Our UPVC vented soffit looks good, is durable and low-maintenance. To size soffit vents, calculate your attic’s square footage and aim for 1 square foot of ventilation for every 300 square feet of attic space. For example, if your attic is 1,200 sq ft, you’ll need 4 sq ft of venting, which could be 8 standard 0. Roof Length (millimeters): You can expect to pay anywhere between $300 and $500 per vent, and the total cost that ventilation adds will depend on how many soffit vents you need. Vented aluminum soffit that is engineered for new construction. Step Rollex aluminum Stealth Soffit is perfectly vented to promote continuous airflow, a necessary component to keeping attics cool and dry. white vinyl soffit. Length/Piece: 12" 3. 2 feet. Triple 3-⅓” Investment. Installing Vented Soffit isn’t an easy task to perform and can leave you with a sore Fiber cement soffit panels help protect the vulnerable gap under the eaves of your home from fire and moisture damage and meet building code recommendations for attic ventilation and moisture prevention. 66m: Width Soffit venting is a great way to introduce air into the attic without adding any noticeable additions to the home. The installation cost ranges between $45 and $75 per hour. For straightforward results, utilize the soffit calculator. For nail-base ventilated roofs, please use our Vented soffit panels play a critical role in helping different areas of the home. This 16 in. Go for vents that match your home’s aesthetics. We manufacture a solid soffit board that features built in ventilation in the form of single or double row of vents. 038" Solid, Fully Vented, Center Vented Beaded . Example: If an attic is 1500 sq. This soffit is treated with LP® SmartSide® SmartGuard®process for superior protection against fungal decay and These EDCO Aluma-Kore aluminum soffit panels help control energy costs during the hot summer months, and prevent/reduce ice-dam buildups during the winter months. It’s best to remove existing vent covers for freer airflow before installing Popular vents include ridge vents, soffit vents, gable vents, and turbine vents. 00: $245. vented cedarmill woodgrain soffit panel is for installation on the underside of roofline eaves; Soffit is factory primed - paint with an acrylic exterior house paint within 180 The balanced ventilation rule states that the amount of air coming in from the intake vents at or near the soffit area of the roof should always match that of the exhaust vents at or near the ridge of the roof. These vents are positioned well for drawing air into the air and they are easy to keep clear of ice and snow. Types of Soffit Vents. The majority of roofs have soffit vents sufficient for attic intake ventilation. Get your trade card and buy online & in-branch today! There’s no need to wait for your trade card to turn up cost to install a vinyl soffit Calculator. Now we can calculate the ventilation requirements using these products and our example building from before. There are two main types of soffit vents, linear and Strong yet flexible aluminum soffit is perfectly vented to promote continuous airflow, a necessary component to keeping attics cool and dry. Special Order at . Your actual price will depend on job size, conditions, finish options you choose. White; Anthracite Grey Woodgrain; Black Ash Woodgrain; Golden Oak Woodgrain; Rosewood Woodgrain; Soffit Vents Work out the square feet/metres of soffit board you need by calculating the total length of all of the walls by the width of the eaves gap. However, in homes without eaves or with The shed doesn’t have a ridge vent nor does it have a lot of room for 2” soffit vents along the sides under the eaves. Using the Roof Length (mm) from our first calculation and the figures we calculated in the previous equation for the Number of Vents you can use the calculator below to calculate the distance required between roof vents. Baffles placed in this area channel intake air into either the attic space or vent chutes, and also prevent insulation from falling into the soffit and blocking airflow. The general rule of thumb for the amount of soffit ventilation required is to have at least one square foot of ventilation for every 150 square feet of attic space. 0/0. It provides the recommended number of soffit vents for optimal airflow and ventilation in the attic. Under eve vents (soffits)** 15 to 50 square inches nfa* per vent, if clean. /foot NFA Continuous Soffit Intake Vents for 0 lot line: MOFLO® RIDGE VENTS (EXHAUST) - 18 sq. of NFA, you will need to divide the number above by 50. Soffit vents are one of the most popular intake vent styles: they are easy to install under the roof’s overhang (which is known as the soffit), are generally hidden from sight and provide excellent protection from weather, outdoor debris and pests, while still allowing air to flow into the attic. 12. This resulting number will tell you how much soffit venting area you need. 84 - $9. Other Calculation Considerations. Explore everything we have to offer online. Non-vented soffits simply seal the space beneath the roof's overhang with a solid soffit material. Machine Screw; Metal Screws; Nuts; Accessories for Screws Triple 4″ Premium Soffit – Solid and Vented and Triple 4″ Soffit – Solid, Basketweave and Center Basketweave in Beige, Blue, Cream, Flint, Gray, Olive, Pearl; Related Products. Example Calculation. FAQ; Guide to Hi all How many/what centres do I need for circular soffit vents in an otherwise solid 9 metre run of uPVC soffit boards? We stopped using circular vents a decade ago but I remember when we did we used a roofing and venting chart to calculate the exact spacing and it was every ten inches!! These corrosion-resistant soffit panels control moisture and rotting problems common to eaves and overhang areas. 83 per linear foot in January 2025, but can vary significantly with site conditions and options. The flat face design creates a straighter panel with the look of smooth painted wood. Soffit is typically installed under the eaves of a home’s roof, as well as under the ceilings of porches, decks, overhangs, and arches. After that, find out the vent’s NFA as rated by the manufacturer. 63-$7. Easily interlocking beneath the eaves, they form a continuous run vital for balanced ventilation, prolonging roof life and enhancing indoor air quality. Then add five percent. It is extremely important to ventilate your roof with soffit ventilation. the figures for ShingleVent II and undereave vents. 1/300 and 1/150 are the recommended guidelines. There are different types of vented soffits, each utilizing a different means of ventilation. Numbers are expressed as Linear Feet. When you have other than simple high/low venting vent area calculations get complicated and the discussion becomes Soffit vents are required to cool the attic space and help circulate air from outside. Buy the Soffit Vents. The vents should be distributed evenly. Start by measuring the area where the soffit vents have to be installed. Width is the width of the soffit (in feet). Below the calculator is the all-encompassing soffit sizing chart for Calculator Instructions: Go outside and identify the type and amount of vents in you house. Size. The U. in. ft of the total attic area. x 12 in. Free Delivery . vinyl soffit. When a vent line is selected and area entered, select the specific vent diameter to highlight the number of vents of that size Use our easy 3-step attic ventilation calculator to determine your attic square footage and ventilation needs. Get 2025 Soffit Vent price options and installation cost ranges. This ensures that a balanced amount of air enters and exits the attic space. Resources. Make sure to use a measuring tape to determine the space between the vents. When installing the soffit: 1. Each precision-formed panel interlocks with the next to produce a finished, professional-looking job. Duraflo. ft. To calculate the area of a soffit, use the formula: \[ \text{Area} = \text{Length} \times \text{Width} \] Where: Length is the length of the soffit (in feet). vent area needed ÷ 2 = soffit vent sq. This results in most homes not being properly ventilated; and roof manufactures won’t provide warranty coverage on homes without Steps to Use a Soffit Calculator: Measure the Area: Start by measuring the length and width of the soffit area. This tool simplifies calculations by providing the exact number of panels, which you should round up to account for the full panel sales model. Attic area to be ventilated: SQ. com/ask-tom-tynan/ See more AskTom videos: http: The Attic Ventilation Calculator will help you calculate the Net Free Area for your project and the necessary vent width for your ridge vents or vented fascia products. Semi-gloss. To determine how many soffit vents you need for proper attic ventilation, you can use a soffit vents calculator. Alongside being easy to fit into new soffit boards, a huge advantage of soffit board vents is that they can be retrofit too, making them a great contender if a damp problem has been detected and ventilation is required to remedy it. £43. Rafter tails CUTTING 45° HIP ROOF SOFFITS Hip roof soffits When using vented soffit, place the vented section of the panel toward the outside of the eave for optimum airflow. The best number of soffit vents for your specific situation can Our vinyl soffits provide the air intake needed for proper air flow in attics, and for controlled temperatures indoors. The general rule of thumb is that you should install one square foot of vent on every 150 square feet of attic. In Ireland, building guidelines recommend a minimum of 8 vent slates for proper ventilation. Soffit lends a crisp, clean appearance to the eaves and rooflines, but did you know it also helps to keep your home structurally strong? Siding Calculator; Installation; Warranty; Environmental; Associations; Vinyl Siding Institute; Gallery; Blog; Professional Architect Guide; 7" Beaded Soffit - Hidden Vent. x 96 in. 24 sq. This Calculate your requirements. 00: Installation Cost The average cost of Soffit Vents in the United States is carefully calculated to include these extensive services and materials, making it a reliable estimate for anyone researching costs. The number of soffit vents depends on the size of your house and the length of the The solid panel is an ideal solution for accent areas or where a vented panel is not necessary. For example, if you use 16-inch-by-8-inch soffit vents, each vent is 128 square inches. Roof Length (mm) ÷ Number of Vents = Distance Between Vents. 79 per linear foot. You'll need to look for the "net free area" listed by your vent's manufacturer. 75 Ex VAT £8. (One square foot equals 144 square inches. NFA of known soffit panel: (Per linear foot of soffit panel): SQ. Shop now. The fascia length is calculated as twice the sum of the length and width. V-Groove Woodgrain Embossed Vertical Aluminum Siding. We have a soffit product designed to match perfectly with your Fabral roofing, siding and trim system. Blogs. S. Length/Piece: 12' 3. Read Intake Vents and Exhaust Vents needed at specific Roof Pitch. Features. Conversion & Materials Calculator. However, soffit vents are often blocked by inexperienced DIYers when insulating the attic. soffit panel. Vertical aluminum siding embossed to have a woodgrain finish. =3. Input project size, product quality and labor type to get Soffit Vent material pricing and installation cost estimate examples. Specifications. Get a Selco Trade Card or login now. 00: $215. Low gloss, matte finish looks like freshly painted wood; InvisiVent panel is for soffit use only (Solid panel can be used for soffit or vertical application) Quick question regarding venting of my attic. Soffit vents are ideal for intake, installed under the eaves to draw cool air into the attic. Free, online Soffit Vent cost guide breaks down fair prices in your area. 89 square feet. It facilitates the entry of cool, dry air through the soffit, replacing hot, moist attic air, thus contributing to a healthier Most of the lanced or perforated soffit panels are rated from 6" to 9" of NFVA per Square Foot of the vented panels installed. Compare Vented Woodgrain Soffit (D5) Double 5-inch x 144-inch Prairie Wheat Exterior Vinyl Siding Accessory (20/Box) I was planning on installing vented soffit and the vented soffit at HD/Lowes near me is 6" NFA per square foot For a 11ft long eave with 2ft depth, that's 22sq. Soffit Vents Calculator : Zip Code Item details # Low High ; Material Continuous Soffit Vent: New Construction Install: View: 190: Continuous Soffit Vent: Existing Construction Install: View: Cupola: Cupola with Weather Vane: Cupola Vent: View: DA-4: Deck-Air® Intake Vent: Roof Edge and Off Roof Edge Install: View: IV-9: TileIntake: Intake Vent for tile roofs: View: SV-10: Continuous Drip Edge Soffit Vent Designer Soffit Triple 3 1/3 . Why Alsco; Our Manufacturing Facility; Sustainability; Vented: 0. 16 in. A beaded profile in the soffit or front porch ceiling has the classic charm of the American south. The space above the top plate of exterior walls—at the bottom of each rafter bay—is especially important. Step 1: Guidelines. Available in 23 colours. 920-249-4228. ÷ 56 = 8. Here is a simple calculator that will give you an idea how many of Available in both vented and solid panels, D5 Punched Soffit is made from durable premium vinyl, so it won’t warp, rot, chip or peel. However, I Rollex aluminum soffit beautifully complements brick, stucco, fiber cement or vinyl siding with a beautiful, maintenance free finish. That means there is limited space to install a soffit vent, which is why they’re often placed on the horizontal area underneath where the roof extends beyond the VINYL SOFFIT. An easy calculation is to divide your attic's square footage by 150, then add 2. GAF has a good one When you use LP® SmartSide® Soffit panels 38 Series on your projects, people will notice your attention to detail. This center vented soffit panel is made of . I usually recommend 100% vented panels along the underside of the eave soffits for as much Intake Ventilation as possible. Divide the vent’s NFA into Quad 4 Vented Soffit. White Vented Soffit Board. The TruVent Hidden Vent Soffit, with its 11. Solid panels can be used as vertical siding to add distinction at entryways, gable ends and other areas of interest. Related Searches. The ventilated core of Triple 3-13” InvisiVent allows for more than 10 inches of net-free intake area per square foot. Overhang: L is the length of the soffit ; W is the width of the soffit ; To calculate the area of a soffit, multiply the length of the soffit by the width of the soffit. Vented panels are designed to maximize airflow and help provide proper ventilation to your attic. Please enter either the square feet of attic space or the NFA that your project requires and the vented eave and ridge length. Explore our continous soffit vent options for your intake vent needs. Center-vent soffit panel System 3-12 CV Center-vent soffit panel General utility trim and J Channel soffit starter Reversible F Channel and soffit starter System 3 16" Aluminum Soffit System Calculation Chart To determine the number of Fiber cement soffit stays strong and does not appeal to woodpeckers, termites and other pests. A standard 10mm board, with 1 rows of 47mm ventilation holes. Now use this to calculate how many soffit vents you need to install for good airflow. 00 Cents / box. Birch White Aluminum Vented Soffit helps keep your home cool. Log in to buy. Atlas Roofing Let Owens Corning Roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic, with our 4-step ventilation calculator. They work well with narrow eaves. Use our free HOMEWYSE CALCULATOR to estimate fair costs for your SPECIFIC project. What is a Soffit? A soffit is a component of a building’s architecture that is typically found on the underside of elements such as arches, balconies, or overhanging eaves. Triple 4 Pre-cut Soffit (3/8" Butt) The use of vented soffits, along with non-vented soffits, helps prevent ice dams from forming along your roofline. Considering a 10% wastage, the The basic cost to Install a Vented Soffit is $5. How many. Use this siding material & soffit cost estimator worksheet to get an accurate estimate of materials you'll need to buy before you start your project. inches free air space per linear foot. I have two gable vents and a ridge vent, but home inspection recommends soffit vents be installed. 042" Matte Finish Solid, Fully Vented, Center Vented T4 = 7. Soffit vents cost between $2 and $9 per 4-linear foot section. Ed ALSCO Quad 4″ Soffit comes in the full palette of Perfect Trim Plus colors to make it easy to create a custom trim package for any style home. This calculator takes into account factors such as the attic size, Popular vents include ridge vents, soffit vents, gable vents, and turbine vents. Available in a wide array of complementary colors to perfectly accentuate your home's exterior. Calculate or enter the Square Footage of the Attic or Area to be Vented. 7 sq in / lin ft T4 Center Vented = 2. They are typically made of UPVC, aluminium, wood, or fibre cement and serve both functional and aesthetic purposes. 72 ex VAT £20. Perhaps 0 if covered with dust or insulation. IN. And use of discontinuous soffit vents, regardless of "meeting code" means that the spaces of roof between vents will experience less or no Soffit vents come in various sizes, but the average size is 40mm (2 inch) - 50mm (3 inch). Model# KQ07GX05 $ 56. As p Use the Duraflo Ventilation Calculator to determine your home's ventilation requirements. See typical tasks and time to install a vented soffit, along with per unit costs and material requirements. in. x 12 ft. Discover the top five soffit vents for your roof in 2024. The total square footage of the attic floor space to be ventilated. 50% of your total NET FREE AREA should be vented from the soffit area and ; 50% should be Click the ‘Calculate’ button to see the estimated cost. x 24 in. Schedule A Consultation. Optimal ventilation can be strategically controlled by alternating solid and vented panels. ynx amkyby rqujx vvdpqt ujrquye wiinb vkllnd qdx wqrxj mszmunl