How To Shingle A Deck Roof

This significantly sloped deck roof allows for proper drainage of rain and snow as opposed to a flat roof.

How to shingle a deck roof.

Typical decks are designed to support 55 psf lbs per square foot. Also place the nails high so the next course of shingles will cover them. Butt a full shingle up against the cut shingle and nail into place. Once this course is laid you can begin snapping horizontal chalk lines up the roof to ensure straight rows.

Frame up a box the size of the outer dimensions of your deck using 2 by 4 inch lumber. Do not fasten the flashing piece to the vertical wall. A gable roof also blends in well with many types of. Tear off the old shingles.

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. The footings for porch decks must be larger than deck footings. Then stretch a string between them. Place the nails on the base of the step flashing piece so you re nailing into the deck.

Use roofing cement and two nails to secure it to the roof deck. Of the shingle tabs where the bottom edge of the tab meets the top of the cutout. First mark all the purlin locations on the deck joists. Once the kick flashing and first piece of step flashing are secure you have to apply a shingle.

If the span under your deck is 12 ft for example the purlin at the outer end of the deck should be 3 in. Make sure to expose 5 in. If your eave is one straight length then pick an end and work to the other. As a result most decks have inadequate footings to support a new porch roof.

Build the frame of the roof on the ground. Many porches use 22 diameter corner and intermediate. 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 four roofing nails per shingle as indicated on package instructions six nails in high wind areas.

Then run joists connecting the front of your roof with the rear every two feet along the length of your roof. Lower than the purlin along the house 12 x 1 4 3. Repeat this basic pattern alternating shingles across the roof working toward the right side using the chalk line to keep the shingles straight horizontally. 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. Secure the horizontal flange to the roof deck using two nails.