How To Deck A Roof Plywood

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.

How to deck a roof plywood.

Osb and plywood come in thicknesses ranging from 5 16 to 3 4 inch and the thickness needed for a particular roof depends on several factors including rafter spacing expected load and roof design. Clean off the dust then apply the primer to the entire surface with a large paint brush. Once the primer dries apply the geo textile on all edges and seams on the plywood deck roof or balcony. Plank sheathing usually 1 6 or 1 8 was used as a roof deck before plywood.

In addition cut a 12 piece for the top ridge. In the first half of the 20th century roofs in missouri were built with wood shingles over planks spaced about 1 apart. Secure the tar paper to the plywood sheets with roofing staples. Ames contouring roof fabric.

Choosing the right type of plywood for the roof is one of the most important construction decisions that you will have to make. Use the liquid rubber deck coating under the textile to stick it to all seams. How to correctly install plywood or osb roof sheathing. 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.

To secure it measure it roll it out over the plywood cut it to the dimensions of the roof with a roofing or utility knife and finally hammer it securely to the plywood with 1 2 inch roofing nails. Cover the roof of the shed with roofing felt making sure the strips overlap at least 2. Fit the side drip edges over the roofing felt while the bottom drip edges should be fit under.