Roofing Nail Length For Architectural Shingles

The nails used are 1 2 3 4.

Roofing nail length for architectural shingles.

Seems 1 1 4 nails are recommended. For the cambridge shingle nails must be applied into the nailing zone. The roof structure is completely open and can be seen from underneath. Nails of the proper length should penetrate three fourths of an inch into the roof deck.

In some areas of the country building codes may require six nails as well. Six nails are required for structures with slopes exceeding 60 degrees or 21 inches per foot. Apply the shingles to all roof planes ending a row of shingles at the top of the plane which is the ridge or peak and cut to follow the profile of any outside corners. It is outside in a yard.

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. 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. Duration series shingles are unrivaled by any other architectural shingles because they feature our patented surenail technology a technological breakthrough in shingle design. Roofs been on quite awhile and the nails held ok.

Each shingle model has specific requirements for nails printed on each shingle wrapper. 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. I installed 15 32 radiant barrier over skip sheating. It is very problematic to have nails located too high on the shingle.

Most of the nails do not come through the plywood. The other common nailing defect is improperly located nails. Existing roof is a 3 tab shingle with 1 2 plywood. Fasteners for asphalt shingles shall be galvanized steel stainless steel aluminum or copper roofing nails minimum 12 gage 0 105 inch 3 mm shank with a minimum 3 8 inch diameter 10 mm head astm f 1667 hn2018 said.

Select a length of roofing nails that penetrates completely through the new layer of shingles existing layer and the wood roof deck. Fasteners should be driven straight and flush with the shingle surface. 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. 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.

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.