how many cap nails per square of underlayment
If you so happen to have thicker underlayment (3/4 inch or more), then use 4d ring shank nails. Be sure to add 10% to all of your material totals for trim allowance. Plywood in 3/8" and 1/2" thicknesses has been used for more than twenty years for roof sheathing under asphalt shingles and built-up roofing, with satisfactory results. How many roofing nails per square of synthetic underlayment required is the same as the common underlayment calculation above. Some roofers use regular roofing nails, some use staples, some attach it with hardly any nails at all, using only a single nail every few feet. Shakes and shingles also come in a variety of widths that may also affect the number of nails used per Square. They excel at doing so whether it be old school tar paper, or the newer more durable, hi tech roof underlayments. You can find spun or woven synthetics that are created from polypropylene or polyethylene. 570 nails per Square Please be advised that the counts above are approximate and may vary significantly due to the different amount of exposure desired in each job. In general, four to five nails per shingle would be sufficient. It's an essential part of a complete Owens Corning Roofing System. Product Testing Results - Printable PDF. This should be done on each roof section containing a horizontal ridge. ... For high wind areas or when shingles are being applied to a mansard, six nails per shingle are required, or 480 nails per square. Manufactured for quick and easy installation, electro-galvanized plastic cap roofing nails are ideal for fastening roofing felt, house wrap, sheathing, underlayment, and more. Plastic cap roofing nails can hold the materials in their place, so they can be used in the high-wind areas. Fasten the underlayment with plastic cap roofing nails. ONLY USE 1″ diameter plastic cap roofing nails. Size of Nails Ring Shank Nail - Note the Ridges? Staples shall be not less than 21 gage. To determine the number of squares on the gable roof above, simply divide its total of 24,000 square feet by 100. Fasten the soundproofing wall with plastic cap roofing nails. Roofing underlayment or felt is usually required for the UL fire rating to apply (since shingles are usually tested with underlayment). If you so happen to have thicker underlayment (3/4 inch or more), then use 4d ring shank nails. In order to determine this, measure the vertical rise of your deck in inches over a 12" horizontal distance. Next, throw a rope over the ridge and mark it on each eave. roof deck, and tight with the underlayment surface and the structural ... metal cap roofing nails (ring shank preferred but smooth leg acceptable). of nails for each underlayment square and 3 ½ lbs. Most will be happy to give you a free estimate. Consider other underlayment options as needed, such as rubber or tar products. A x B = 120' x 100' = 12,000 sq. Fasten drip edge on eaves with galvanized nails and a … ft.) Synthetic: Vapor impermeable: 11¢ to 15¢; vapor permeable: 20¢ to 90¢ Felt: #15: 5¢; #30: 10¢ 46 FINE HOMEBUILDING Photo: Justin Fink. Nails will also be required for any roofing project. Roofing underlayment or felt protects the roofing from any resins that bleed out of the sheathing. The key to performing a successful roofing project is knowing how much height the roof must bear – which is crucial information if you work with aged framing and foundation. Then, multiply length x width to get the square footage of each plane. HDG nails have slightly less nails per pound due to galvanizing Other nail types and counts available on request or consult Tree Island Nails Product catalogs Average Number of . Base flashing shall be of either corrosion-resistant metal of minimum nominal 0.019-inch (0.5 mm) thickness or mineral surface roll roofing weighing a minimum of 77 pounds per 100 square feet (4 kg/m2). Technical Data Sheet (Continued) Presidential Shingles Page 3 of 3 Standard Fastening: For slopes of 21" per foot or less, five fasteners are required per shingle. For example, ¼-inch underlayment calls for 3d ring-shank nails every 3 inches along the edge and every 6 inches within the field of the underlayment. ft. for the total square footage of the roof. Pick up packs of 3d ring shank nails. Fasten the field area in the middle of … If you have high wind areas, you will want to use five nails pers shingle, equating to … To calculate the roof length, measure the exterior walls plus the overhang for the length of the house parallel to the ridge. The last, you should also check the local building regulation in your area regarding roofing. You should always refer to the shingles or underlayment application instructions before and during the installation process, including seeing the correct nailing pattern. Nail down squarely (90 degrees) into the deck to secure caps flush to the underlayment. For high wind areas or when shingles are being applied to a mansard, six nails per shingle are required (480 nails per square). The roof is indeed one of the most crucial elements of the building’s structure. Those nails are used only for holding down the roofing underlayment. The most common type of shingle, called a three-tab or strip shingle, is generally packaged three bundles per square. Underlayment usually comes in rolls of 4 squares each. Titanium UDL25. Fiberglas� Reinforced Felt Underlayment provides an extra layer of protection beneath the shingles to help prevent wind-driven rain from reaching the roof deck. For a listing of roofing contractors in your area, use our Find a Roofing Professional locator tool. Refer to the application instructions on your shingle wrappers for the correct nailing pattern. A minor mistake might cost you pricey fixing work, so it’s always recommended to hire or at least discuss your roofing project with a professional roofer or contractor. Your roof is a major structural component of your home, and a successful reroofing project requires a large investment in both time and money. How many squares per roll of underlayment? Plane 1 + Plane 2 = 24,000 sq. Re: Holding Power of Roofing Nails in 3/8" and 1/2" Plywood. Premium Synthetic Roofing Underlayment Roll Superior-quality roof deck protection should Superior-quality roof deck protection should protect your home by providing a critical extra-layer of protection between your shingles and your roof deck. ... For high wind areas or when shingles are being applied to a mansard, six nails per shingle are required, or 480 nails per square. Ring shank nails are perfectly designed for floor installation. Some roofers use regular roofing nails, some use staples, some attach it with hardly any nails at all, using only a single nail every few feet. underlayment shall be attached to a nailable deck with two staggered rows in the field of the sheet with a maximum fastener spacing of 12 inches (305 mm) o.c., and one row at the end and side laps fastened 6 inches (152 mm) o.c. So, multiply length (A) x width (B) to get the square footage for each plane. Summit ® 60 is a lightweight synthetic roof underlayment designed to enhance the life of a roof system through superior water resistance and UV protection.. A synthetic alternative to #15 felt, Summit ® 60 underlayment provides enhanced protection against water and mold growth. Most shingle manufactures recommend using four nails per shingle on the main area of your roof and five nails per square in the first row of roofing. Finally, calculate your roof's total square footage by simply adding the square footage of each of the planes together. Ring shank nails are perfectly designed for floor installation. if the area is particularly windy. Generally, you should use four nails per shingle. Size of Nails Ring Shank Nail - Note the Ridges? ft. (on center) on both head and end laps. Manufactured for quick and easy installation, electro-galvanized plastic cap roofing nails are ideal for fastening roofing felt, house wrap, sheathing, underlayment, and more. And they mainly used to fasten materials such as the base sheet, vapor barrier, underlayment or soundproof materials. Weight per Square ASTM D5261 Nominal Thickness ASTM D1777 Service Temperature Range 20 2 0 Y E A R L I M I T E D W A R R A N T Y R H I N For you who live in windy areas, you may want to use 480 nails per square. Base and cap flashing shall be installed in accordance with manufacturer's installation instructions. Fiberglas� Reinforced Felt Underlayment provides an extra layer of protection beneath the shingles to help prevent wind-driven rain from reaching the roof deck. Nail Quantity per Square Shingle manufacturers recommend using four nails per shingle in the main part of the roof and five nails per shingle in the first row. To install the roofing successfully, then one needs to invest a significant amount of money and time. Finally, if you have any questions about your estimate, ask a roofing contractor in your area. So, how many nails per shingle that cedar roofing material need? However, most roofing contractors choose to use staples instead of nails for this material. Tiger Paw 1000 sq. To estimate how many shingles you'll need, first estimate the total square footage of your roof's surface. If you are currently planning to install roofing ... All types of buildings, including industrial, ... Are you currently building a shed? It's not that roofers are trying to rip anyone off, they just don't see the need for nailing the underlayment so heavily since the shingles do such a fine job of securing the underlayment. Synthetic Underlayment. Nails are required for Presidential TL. 4 nails per field shingle, that’s about 320 nails per square. Finally, calculate your roof's total square footage by simply adding the square footage of each of the planes together. A square is an area of roof which measures 100 square feet. Author: How would you like to proceed? This means that you’ll need 320 nails per square feet. To assess the installment process accurately, then you need to know how many roofing nails per square are required inexact. Hurricane Cap Nails are approved for use along the Texas Gulf Coast and in other Windstorm Catastrophe areas for attachment of roofing felt. Rolls of felt are 36″ wide x 144′ long for 15# and 72′ long for 30#. It looks like you're browsing from the USA. Synthetic underlayment comes in 10 square rolls, while regular #15 felt comes in 4 square rolls. This adds up to an average of 320 nails or 100 square feet. Many roofers argue that the use of cap nails to install synthetic underlayment provides an added measure of waterproofing if a high-wind event removes the top layer of shingles or tiles. Introduction. The result is 240, and this means you would need 240 squares of shingles to cover that roof. Measure the lengths of your rakes and eaves to determine the amount of drip edge needed. Asphalt & Fiberglass Shingle Nails Clay and concrete tile: R905.3 How Many Nails Will You Need. You will also need to know the slope of your deck. The average 3-tab shingle needs four nails per shingle. Please find out how to calculate them correctly here. For areas with a lot of wind, six nails for each shingle might be needed, which means you need 480 nails for each square. That being said, there are some simple matters that you can do yourself, such as doing simple math over how many roofing nails per square of underlayment that you need. When staples without caps are used to temporarily fasten DuPont™ Tyvek® WRBs, no more than 4 staples per square yard should be installed. Cap When nailing underlayment, don’t … It's an essential part of a complete Owens Corning Roofing System. For example, ¼-inch underlayment calls for 3d ring-shank nails every 3 inches along the edge and every 6 inches within the field of the underlayment. These are 1.25 inches long and can be used for underlayment that ranges up to 1/2 thick. Majority of roofing manufactures advice that you use four nails for each shingle for the roofing main area, and use five nails for each square of the roofing underlayment. 500 nails per Underlayment 100 Square Feet 1 / 2", 5 8" 3/ 4" Plywood 2" & 150 nails per and Sheathing 21/ " 100 Square Feet 1" Plywood Subfloor 3" 150 nails per 100 Square Feet WARNING: SAFETY GLASSES SHOULD BE WORN WHENEVER DRIVING ANY NAILS! R905.2.8.1 Base and cap flashing. Synthetic underlayment comes in 10 square rolls, while regular #15 felt comes in 4 square rolls. Fas-n-Tite 1-3/4-in 12-Gauge Electro-Galvanized Steel Cap Nails (2000-Count). Cap nail shank and cap staple legs shall have a length sufficient to penetrate through the roof sheathing or not less than 3 / 4 inch into the roof sheathing. Felt 30-pound – 10 cents per square foot; Vapor impermeable synthetic underlayment – 11 to 15 cents per square foot; Vapor permeable synthetic underlayment – 20 to 90 cents per square foot; Synthetic underlayment is more susceptible to wicking at laps than asphalt felt underlayment, which can lead to moisture damage to the roof. Product Testing Results - Printable PDF. Manufactured by JevCap the Hurricane Cap Nail product is pre-assembled with a large 1 5/8" diameter galvanized 30 gauge steel cap with 1 1/4" x 11 gauge (.120") annular ring shank diamond point nail. One of the factors that add up the roof weight estimation is the nails’ weights that will hold the roof underlayment and shingles in their place. If this rise is 4", then your roof slope is 4 in 12. For example, this shed roof has one roof plane. Titanium Synthetic combined with Titanium PSU30 self-adhered underlayment, offers the sloped roofing industry a truly revolutionary system of safety, security and simplicity. This gable roof has two planes. Introduction. Nail metal drip-edge flashing, which bends over the roof and down the edge of the facing board, on all roof edges. Re: Holding Power of Roofing Nails in 3/8" and 1/2" Plywood. As a general rule, you should consider using 3/4" underlayment nails if you have a 3/8" or 1/2" wood deck and 1" nails if your roof deck is 5/8" in size or greater. So, covering 240 squares would require 60 rolls of underlayment. Synthetic underlayment rolls are 4-feet long and cover closer to 1000 square feet. Roof slopes are always expressed with the vertical rise mentioned first and the horizontal run (12") mentioned second. This means that you’ll need 320 nails per square foot. Other styles of shingles may require more or fewer nails per shingle and may have more or less than 80 shingles per square. 500 nails per Underlayment 100 Square Feet 1 / 2", 5 8" 3/ 4" Plywood 2" & 150 nails per and Sheathing 21/ " 100 Square Feet 1" Plywood Subfloor 3" 150 nails per 100 Square Feet WARNING: SAFETY GLASSES SHOULD BE WORN WHENEVER DRIVING ANY NAILS! This type of nail weighs 1 lbs for 140 nails. This is based on 80 shingles per square. To measure a steep roof, you will have to use an alternate method. How many squares per roll of underlayment? The cap nail shank shall be not less than 0.083 inch for ring shank cap nails and 0.091 inch for smooth shank cap nails. Our Find a Roofing Professional locator tool can help you find the roofing professional that's right for you. Then, add the two planes together to derive the total square footage of the roof: Roof surfaces are measured in "squares." It usually comes with natural preservatives to fight UV rays, damage, moisture, and infestation. This will give the width dimension to use in figuring your area. The majority of roofing manufacturers advise that you use four nails for each shingle for the roofing main area and use five nails for each roofing underlayment square. Weight per Square ASTM D5261 Nominal Thickness ASTM D1777 Service Temperature Range 20 2 0 Y E A R L I M I T E D W A R R A N T Y R H I N Check out our estimating guidelines below and visit Choosing the Right Roof and Things You Should Know for additional information. This latter calculation is also applied if you use mansard roofing. How to Cut Tin Roofing with Three Best Methods, Tutorial on How to Install Architectural Shingles over 3 Tab Shingles, How to Install Roof Ventilators in the Roofing Area and Bathroom. If you are currently planning to install roofing shingles or its underlayment, then there are some factors that you need to consider, such as the roofing material weight, building’s foundation, and framing, etc. To estimate how many shingles you'll need, first estimate the total square footage of your roof's surface. All staples should be sealed with DuPont™ Tyvek® Tape when the DuPont™ Tyvek® WRB is being installed for air barrier and high performance applications. Consider other underlayment options as needed, such as rubber or tar products. Roofing underlayment or felt helps prevent unevenness in the roof sheathing from telegraphing through the shingles. Underlayment shall be attached using metal or plastic cap nails with a nominal cap diameter of not less than I inch. Fasteners are to be located on the nailing guide line, 9" above the Each type has different characteristics, such as thickness, manufacturing procedure, walkability, and exposure time, but generally, the ingredients are quite similar. Synthetic: Must be installed with cap nails or cap staples Felt: Can be installed with staples or roofing nails COST (per sq. Plywood in 3/8" and 1/2" thicknesses has been used for more than twenty years for roof sheathing under asphalt shingles and built-up roofing, with satisfactory results. Don’t hesitate to ask someone who knows more about the roofing installation project about how many roofing nails per square you should use. The nails are resistant to extreme weather such as rain or sun because they’re hot galvanized. It has wind-resistant quality naturally, so cedar shingle might be an ideal selection if you use it in windy areas. How Many Cap Nails per Square Of Underlayment, How Many Cap Nails per Square Of Synthetic Underlayment, How Many Nails per Square Of Cedar Shingles.