![]() ![]() If your building codes require thicker sheathing, you’ll need 1 ¼-inch nails. If you’re using typical architectural shingles and 3/8-inch-thick sheathing, you’ll need 1‐inch nails. Therefore, you have to plan out your sheathing thickness, shingle thickness and nail length carefully. The puncture must be complete so that the whole diamond tip is past the wood. Roofers seek to use just the right length of nail so that the decking (or OSB) is completely punctured by the nail. Roofing nails are available in lengths ranging from one to two inches. Aluminum nails are more prone to corrosion, as well as chemical and salt damage, than steel nails. However, aluminum nails are still used on asphalt shingle roofing by some roofers. However, as roofing nails will usually be hidden by the shingles above them, steel nails don’t detract from the look of the roof.Īluminum is a weaker metal than steel and copper. Copper nails are most often used on roofs with copper flashing and accessories. You may prefer to use copper roofing nails on a roof with other copper accents. The hot‐dipped method results in a thicker layer of zinc that lasts longer, so they are preferred.Ĭopper is strong and naturally resists rust and corrosion. There are two methods of galvanizing nails: hot‐dipped and electro‐galvanized. Galvanization adds a layer of zinc onto the steel that significantly inhibits rust and corrosion. Stainless steel nails are best used for slate and ceramic roofs or asphalt shingle roofs in coastal climates.įor asphalt roofing shingles, use galvanized nails. For steel, this means stainless steel or galvanized steel. Of course, as your nails will be on the exterior of a home, they must have rust and corrosion protection. In fact, in some coast regions, the building codes require the entire nail to be corrosion-resistant, not just the outer surface. Whichever material you choose for your nails, remember that roofing nails are on the exterior of homes and therefore the outer surface needs to be corrosion-resistant. You can find each of the three types of roofing nails in the three materials we list below. Square cap nails may have a smooth or coiled shank. They have a square-shaped head, instead of the more typical circular head you see on other nails. Square cap nails are typically used for fastening felt underlayment and not asphalt shingles. So, choose these nails where performance, especially wind resistance, is a priority. One IKO test found that ring shank nails have 300% more strength than smooth shank nails. A larger-size head might increase the risk of exposing part of the nail head in standard nailing locations on the shingle. The head diameter is typically a standard 3/8-inch for all roofing nails. Still, these rings give the nail extra staying power, or grip, in the shingles and sheathing. They aren’t connected, as they are with screws. ![]() As its many names suggest, this type of nail has rings along the shank. They are the most basic type of roofing nail and cheaper than the other two options.Ī ring shank nail is also called an annular roofing nail or corrugated roofing nail. Simply put, smooth shank nails have a smooth shank. The shank of the nail is the part of the nail that punctures through the material you are nailing. There are three basic types of roofing nails: With that said, let’s explore your roofing nail options and which is best for your next roof. In your building codes and international building codes, nails may be referenced as “fasteners” along with staples and screws. ![]() Ultimately, it is best to refer to your building codes and roofing manufacturer for more specific guidance. We’ll walk you through the types, sizes and materials you may choose from when picking a roofing nail. This point is expertly designed to keep the decking intact when it punctures through. Though they vary greatly in material, size and type, all roofing nails share one helpful characteristic: a diamond‐shaped point. Roofing nails are cleverly designed to help you do a better job.
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