How To Roof Overlapping Gables

Start at the bottom side of the gable and overlap the sections of drip edge a few inches as you work your way up the roof see figure a.

How to roof overlapping gables.

Fold new shingles over the new valley onto the old roof overlapping by at least a foot. Use a tin snips to cut the drip edge to size. Finish your gable roof addition tie in by installing siding to match the existing house and fascia and trim boards at eaves and edges. The majority of the metal sheets will go onto the roof whole and intact.

Start by overlapping a starter from both sides of the valley at the bottom. Staple roofing paper on both gables with a construction stapler and install shingles. If your eave is one straight length then pick an end and work to the other. Installing asphalt shingles on a basic gable roof is one of the most straight forward of all roofing projects.

Tips on how to install shingles on a straight gable roof. You want to lay the shingles from the bottom to the top of the valley. Start by applying the drip edge to the eaves of your roof. The next one goes on the low side.

Then your first shingle goes on the side you are going to cut. As you near the edges of the roof or any points where the roof has gables you may need to cut the sheets to custom fit the space. Install the drip edge on the gable ends of the roof after you finish installing your underlayment. Measure and cut the metal sheet panels as necessary before installing them on the roof.

Use cap shingles or 12 inch shingle pieces to overlap the peaks. If you align the shingle. Weave and cut the valley on the highest side of the roof.