Copper Nails For Cedar Shingles

Plain steel nails and copper nails can react adversely with the natural oils in cedar and can rust and disintegrate.

Copper nails for cedar shingles.

Keep nails about 3 4 to 1 1 is for the u b. Galvanized coated steel nails should also not be used during a cedar shake or shingle installation. Copper is a popular flashing material with wood roofs. 3 degree electro galvanized steel roofing nails 5 lb pack for applying roofing asphalt shingles insulation board and felt to wood substrates.

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. Copper flashing and cedar roofing. Nails for cedar shingles. 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.

Pressure treated wood often has preservatives on it which contain salt. When working in locations within 15 miles of salt water always use stainless steel type 316 nails. There is galvanic action between all metals in contact with each other. Code away from the side edges of the shingles and 1 1 2 2 for ubc above the butt line of the following course.

Do not use blued steel or copper fasteners with cedar shakes or cedar shingles. We also caution against the use of electro galvanized eg fasteners on any cedar shingle roofing project. Working with cedar shingles isn t the same thing as working with regular wood. See link below for approximate quantities per kg.

3 use the grip rite 11 x 1 1 4 in. 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. Nails should be long enough to penetrate sheathing at least 3 4. 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.

Use the grip rite 11 x 1 1 4 in. That s why the nails for cedar shingles are better when they are hot dipped galvanized steel. Wood shingle nailing pattern. Our cedar shingle nails are slender and still to resist wood splitting.

Copper clout nails are a rust free fixing used most commonly in roofing applications for fixing man made and natural slates. Since this is a science forum i have a few more comments in reaction to the replies.