How To Shingle A Deck Roof

Make sure to expose 5 in.

How to shingle a deck roof.

Also place the nails high so the next course of shingles will cover them. Use a roofing nail 1 to tack the drip edge down one every 10 when placing two pieces of drip edge together overlap one end over the other by 1 and secure using two roofing nails one in the back and one in the front. Secure the horizontal flange to the roof deck using two nails. Lower than the purlin along the house 12 x 1 4 3.

Once this course is laid you can begin snapping horizontal chalk lines up the roof to ensure straight rows. Use 4 nails per shingle and 6 nails on the prevailing windward sides of the roof as wind resistance nailing. Use four roofing nails per shingle as indicated on package instructions six nails in high wind areas. As a result most decks have inadequate footings to support a new porch roof.

The most common type of deck roof the gable roof forms a triangular shape projects along a ridge down the center of the deck and overhangs the enclosed space. A gable roof also blends in well with many types of. Then run joists connecting the front of your roof with the rear every two feet along the length of your roof. Porch decks require 25 additional psf for roof loads for a total of 80 psf.

If your eave is one straight length then pick an end and work to the other. If the span under your deck is 12 ft for example the purlin at the outer end of the deck should be 3 in. Frame up a box the size of the outer dimensions of your deck using 2 by 4 inch lumber. Tear off the old shingles.

Place it so the tab of the end shingle covers it completely. Use roofing cement and two nails to secure it to the roof deck. The footings for porch decks must be larger than deck footings. Butt a full shingle up against the cut shingle and nail into place.

Do not fasten the flashing piece to the vertical wall. First mark all the purlin locations on the deck joists. Place the nails on the base of the step flashing piece so you re nailing into the deck. Repeat this basic pattern alternating shingles across the roof working toward the right side using the chalk line to keep the shingles straight horizontally.

Build the frame of the roof on the ground. Then stretch a string between them. Many porches use 22 diameter corner and intermediate. This will allow the flashing piece to move independently of any differential expansion and contraction that may occur between the roof deck and the wall.

This significantly sloped deck roof allows for proper drainage of rain and snow as opposed to a flat roof. Of the shingle tabs where the bottom edge of the tab meets the top of the cutout.