Nail Trough Shinglea On Gambrel Roof Slope Change

The shingles have notches or tabs on the top half that you will line up to measure overlap.

Nail trough shinglea on gambrel roof slope change.

Use three nails through the upper portion of the shingle. When the roof slope changes just let the tabs point straight up. Position the nails appropriately according to the shingle installation instructions. Align shingles properly to avoid nail exposure.

You ll have a steeper part of your roof turning into a lower slope so there s a steeper pitch up top and a lower pitch on the bottom. We need to do something where that change happens so the panels can go down and water can come off hit the lower slope and come off the roof. Then use a nail gun to secure the shingle to the decking. We re going to do a pitch transition or change.

Step 3 lay the next asphalt shingle next to the first one. A gambrel roof is often thought of as a bard style roof where the roof of a structure has multiple slope changes on either side of the roof. For duration series shingles owens corning recommends using either a 4 or 6 nail fastening pattern depending on the roof s slope and building code requirements. To determine the nail length you should consider the number of layers of shingles shingle thicknesses underlayment and flashings installed on eaves.

I have to reroof a friend s shed gambrel style. The application of shingles over a gambrel roof has very little variation from the application of shingles to a traditional roof. In most cases 4 nails are adequate. Use a nail gun to secure the shingle to the decking with three nails through the upper nondecorative portion of the shingle.

Lay another shingle next to the first one. He wants to use architectural shingles but i m not sure about bending them at the pitch change. Lay the first asphalt shingle at an outer corner of the lowest sloping face of the gambrel roof. It is possible to shingle over a gambrel roof to add security from the elements or additional décor and aesthetic features to your structure.

Roofing nails should be long enough to penetrate the roofing material and go 19 mm into osb solid wood plywood or non veneer wood decking or through thickness of decking whichever is less. I ve only done one before 20 some years ago. Secure it with the nail gun like you did the previous shingle.