How To Shingle A Deck Roof

Make sure to expose 5 in.

How to shingle a deck roof.

Then run joists connecting the front of your roof with the rear every two feet along the length of your roof. Butt a full shingle up against the cut shingle and nail into place. 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. Repeat this basic pattern alternating shingles across the roof working toward the right side using the chalk line to keep the shingles straight horizontally.

This significantly sloped deck roof allows for proper drainage of rain and snow as opposed to a flat roof. Lower than the purlin along the house 12 x 1 4 3. Place it so the tab of the end shingle covers it completely. Of the shingle tabs where the bottom edge of the tab meets the top of the cutout.

Typical decks are designed to support 55 psf lbs per square foot. 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. Once this course is laid you can begin snapping horizontal chalk lines up the roof to ensure straight rows.

Secure the horizontal flange to the roof deck using two nails. 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. Build the frame of the roof on the ground. If the span under your deck is 12 ft for example the purlin at the outer end of the deck should be 3 in.

If your eave is one straight length then pick an end and work to the other. Once the kick flashing and first piece of step flashing are secure you have to apply a shingle. Also place the nails high so the next course of shingles will cover them. Porch decks require 25 additional psf for roof loads for a total of 80 psf.

Use 4 nails per shingle and 6 nails on the prevailing windward sides of the roof as wind resistance nailing. As a result most decks have inadequate footings to support a new porch roof. The footings for porch decks must be larger than deck footings. Frame up a box the size of the outer dimensions of your deck using 2 by 4 inch lumber.

Then stretch a string between them. A gable roof also blends in well with many types of. 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. Use roofing cement and two nails to secure it to the roof deck.

Install the purlin along the house and the outer purlin. Do not fasten the flashing piece to the vertical wall.