How To Shingle A Deck Roof
A gable roof also blends in well with many types of.
How to shingle a deck roof. Use 4 nails per shingle and 6 nails on the prevailing windward sides of the roof as wind resistance nailing. Many porches use 22 diameter corner and intermediate. Then run joists connecting the front of your roof with the rear every two feet along the length of your roof. Tear off the old shingles.
As a result most decks have inadequate footings to support a new porch roof. Butt a full shingle up against the cut shingle and nail into place. Then stretch a string between them. Install the purlin along the house and the outer purlin.
Also place the nails high so the next course of shingles will cover them. This significantly sloped deck roof allows for proper drainage of rain and snow as opposed to a flat roof. Place it so the tab of the end shingle covers it completely. Make sure to expose 5 in.
Of the shingle tabs where the bottom edge of the tab meets the top of the cutout. The footings for porch decks must be larger than deck footings. Place the nails on the base of the step flashing piece so you re nailing into the deck. Typical decks are designed to support 55 psf lbs per square foot.
Do not fasten the flashing piece to the vertical wall. Porch decks require 25 additional psf for roof loads for a total of 80 psf. 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 will allow the flashing piece to move independently of any differential expansion and contraction that may occur between the roof deck and the wall.
Lower than the purlin along the house 12 x 1 4 3. Use four roofing nails per shingle as indicated on package instructions six nails in high wind areas. 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. First mark all the purlin locations on the deck joists.
Build the frame of the roof on the ground. Use roofing cement and two nails to secure it to the roof deck. If your eave is one straight length then pick an end and work to the other. 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. 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.