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. We also caution against the use of electro galvanized eg fasteners on any cedar shingle roofing project. That s why the nails for cedar shingles are better when they are hot dipped galvanized steel. Like all of the other types of wood cedar has to be treated the right way for the best benefits. Since this is a science forum i have a few more comments in reaction to the replies.

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. 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. Galvanized coated steel nails should also not be used during a cedar shake or shingle installation.

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. 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. 3 degree electro galvanized steel roofing nails 5 lb pack for applying roofing asphalt shingles insulation board and felt to wood substrates. Copper flashing and cedar roofing.

Nails for cedar shingles. Copper is a popular flashing material with wood roofs. See link below for approximate quantities per kg. Silicone bronze nails 45mm x 1 8mm cedar shingles 1kg.

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. Wood shingle nailing pattern. Working with cedar shingles isn t the same thing as working with regular 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.

There is galvanic action between all metals in contact with each other. Pressure treated wood often has preservatives on it which contain salt. Keep nails about 3 4 to 1 1 is for the u b. Do not use blued steel or copper fasteners with cedar shakes or cedar shingles.

Nails should be long enough to penetrate sheathing at least 3 4. 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.