Copper Nails For Cedar Shingles

Copper flashing and cedar roofing.

Copper nails for cedar shingles.

Silicone bronze nails 45mm x 1 8mm cedar shingles 1kg. Corrosion of flashing cedar with al or cu i don t think it is an accident that copper is not mentioned as an acceptable fastener by the cedar shake and shingle bureau. Type 316 stainless steel should be used in corrosive environments or when a pressure treatment or a fire retardant treatment has been applied to the wood. Code away from the side edges of the shingles and 1 1 2 2 for ubc above the butt line of the following course.

Since this is a science forum i have a few more comments in reaction to the replies. Pressure treated wood often has preservatives on it which contain salt. Copper is a popular flashing material with wood roofs. 3 use the grip rite 11 x 1 1 4 in.

Working with cedar shingles isn t the same thing as working with regular wood. Although the process may take longer than a simple steel nail the zinc in the galvanized coating will eventually rust and corrode exposing the steel underneath to the elements. That s why the nails for cedar shingles are better when they are hot dipped galvanized steel. There is galvanic action between all metals in contact with each other.

We also caution against the use of electro galvanized eg fasteners on any cedar shingle roofing project. Plain steel nails and copper nails can react adversely with the natural oils in cedar and can rust and disintegrate. Copper clout nails are a rust free fixing used most commonly in roofing applications for fixing man made and natural slates. Use the grip rite 11 x 1 1 4 in.

In most applications only two nails are used per shingle in order to permit movement without splitting as the shingle expands and contracts during changes in its moisture level. Nails for cedar shingles. It is best to set aside the widest shingles or shakes for use in the valley to keep nails at least 12 inches from the valley centerline figure 2 52 shown above. Do not use blued steel or copper fasteners with cedar shakes or cedar shingles.

3 degree electro galvanized steel roofing nails 5 lb pack for applying roofing asphalt shingles insulation board and felt to wood substrates. Keep nails about 3 4 to 1 1 is for the u b. Our cedar shingle nails are slender and still to resist wood splitting. Galvanized coated steel nails should also not be used during a cedar shake or shingle installation.

Wood shingle nailing pattern. Nails should be long enough to penetrate sheathing at least 3 4.