Roofing Nail Length For Architectural Shingles

The other common nailing defect is improperly located nails.

Roofing nail length for architectural shingles.

It is outside in a yard. The nails used are 1 2 3 4. However where the roof deck is less than three fourths of an inch thick the nail should be long enough to penetrate fully and extend at least one eighth of an inch through the roof deck. Most of the nails do not come through the plywood.

Each shingle model has specific requirements for nails printed on each shingle wrapper. The roof structure is completely open and can be seen from underneath. It is very problematic to have nails located too high on the shingle. Existing roof is a 3 tab shingle with 1 2 plywood.

Six nails are required for structures with slopes exceeding 60 degrees or 21 inches per foot. Nails of the proper length should penetrate three fourths of an inch into the roof deck. Seems 1 1 4 nails are recommended. Duration series shingles are unrivaled by any other architectural shingles because they feature our patented surenail technology a technological breakthrough in shingle design.

If your decking is less than 3 4 inch then a 1 1 2 inch nail will suffice. The correct nail must be applied 2 5 cm above the cut out and 2 5 cm from each edge. Both nails and staples should be long enough to penetrate the roof sheathing by 3 4 inch or penetrate 1 4 inch through the sheathing if it is less than 3 4 inch thick. If you are putting a layer of asphalt shingles over an existing layer of asphalt shingles on to a 3 4 inch deck or a plank deck then you should be using 1 1 2 inch nails.

I installed 15 32 radiant barrier over skip sheating. For the cambridge shingle nails must be applied into the nailing zone. Select a length of roofing nails that penetrates completely through the new layer of shingles existing layer and the wood roof deck. Wood shingles minimum 3 4 sheathing wood shingles nail type minimum length 18 straight split 3d box 1 1 4 18 and 24 handsplit and resawn 4d box 1 1 2.

The length of each nail must be a minimum of 1 inches long and for roof overs atlas recommends a nail length of at least 2 inches. Nail fastening pattern a four nail fastening pattern per shingle is required to take advantage of the maximum wind warranty available on owens corning duration shingles. In some areas of the country building codes may require six nails as well. The series highlights our popular duration shingles along with up to 7 other duration styles depending on where you live that feature unique performance characteristics.

Fasteners should be driven straight and flush with the shingle surface.