How To Do Roof Decking

Fitting the roofing sheets.

How to do roof decking.

Frame up a box the size of the outer dimensions of your deck using 2 by 4 inch lumber. Felt paper also called tar paper or builder s paper helps shed water that gets under the shingles protects the asphalt shingles from the resins in the wood decking increases a roof s fire rating and helps keep your house dry if it rains during the job. The thickness of plywood used for roof decking depends on the roof slope the spacing of rafters and the weight of other material to be put over the decking as well as the design load the. These roofs are usually easy to install over a deck or patio just make sure you re not breaking any local building codes.

Then run joists connecting the front of your roof with the rear every two feet along the length of your roof. In the first half of the 20th century roofs in missouri were built with wood shingles over planks spaced about 1 apart. Wood shingle are expensive so when these roofs need to be torn off and replaced it is cheaper to resheath the entire roof and go over it. Remove the shingles over the area of the rotted roof decking identified previously.

Water leakage can lead to ceiling spots or leaks stains on interior walls cracked paint or peeling wallpaper. Here are 10 options we love. On average 300 sq ft. If you want to install trims to the end rafters the roof decking should overhang about 3 4.

Do the same when you reach the peak from the other side of the roof. One of the most common signs that a roof s decking is damaged is a roof leak. This is usually because low quality leak prone decking materials such as epdm rubber are used often in an effort to save money. A metal deck roof will add shade and make your deck or patio space more comfortable during the hot summer months.

Unfortunately many homeowners who have a flat deck roof have to deal with frequent leaks. Plank sheathing usually 1 6 or 1 8 was used as a roof deck before plywood. A quick inspection of the attic might uncover dark water stains on the rafters or in the insulation or even light passing through holes in the roof. Of roof decking costs 800 2 800 to install depending on the material you choose.

You can see in this image that you need to make a few cuts otherwise the plywood sheets won t fit into place properly.