How To Re Roof With Architectural Shingles

Use galvanized roofing nails long enough to fully penetrate the sheathing typically 1 1 2 inches for a second roof and 1 3 4 inches for a third.

How to re roof with architectural shingles. Apply a cover of starter architectural shingles. You can cut the layered edge of architectural roof shingles and use the cut flat piece as your starter roof single. Instead of one layer laminated or architectural shingles have two or more layers with three dimensional tabs of varying sizes. Architectural roofs should be able to and withstand more damage than 3 tab shingles.

Apply the first real course of architectural shingles so that the tabs reach the lower edge of the starter course. Best solution is tearing off the old shingles first. As you can see from the photo the architectural shingles will have bumps created by the old shingles which will keep the new shingles from looking flat and smooth. While both types are made up of the same essential components re roofing over architectural shingle is a different case altogether.

The standard practice is to limit to a total of two layers of shingles. If you ve got a new roof on your mind there must be something noticeably wrong since these types of roofs come made to hold up for a lot longer than a 3 tab. Nesting each new row below an existing one keeps the new nails 2 inches below the existing which will help minimize any splitting of the sheathing. 51 to 124 per roofing square shingles are priced per roofing square which is equal to 100 square feet.

Attach each shingle with three nails one in the center and one each on each side. Mark a chalk on subsequent roof layers upward. Architectural shingles are durable less prone to curling and hide imperfections better. Re roofing with 3 tab shingles are pretty straight forward.