Used To Support Roof Sheathing

Sheathing should bethickenough to span the supports and provideasolid base for fastening the roofing materials.

Used to support roof sheathing. Sheets of 7 16 inch thick with no edge support can be used in an area where the snow load is 30 pounds per square foot. The most common materials for this are oriented strand board osb or plywood both formed of layers of wood bonded into a panel. To stabilize the rafters support the roofing material and hold the entire roof together roof sheathing is installed. It is assumed here that you will be applying plywood particle board or wafer board sheathing.

With wood roofs slats are a must to avoid rotting the wood shakes. Continue reading below our video of the day. Plywood used for roof decking is typically called sheathing and. If you have chosen to use a rigid roofing metal wood shakes or shingles tile etc you can use 1 x 4 slats instead.

Generally third grade species of lumber such aspines redwoods and hemlocks are used as roofsheathingboards. Types of sheathing typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb. It spans the rafters to support the roofing and in the case of panel sheathing such as plywood or osb it acts as a diaphragm with the walls to resist horizontal loads. The skeleton of a roof is formed with rafters or trusses generally spaced 16 inches or 24 inches apart from the center of one rafter to the center of the next.

Your roofer will attach your shingles to these squares or planks of wood. The cheapest and easiest is to re nail or better yet screw down the sheathing when you replace your roof covering. With edge support and the same snow load 3 8 inch osb can be used. Board roof sheathing fig.

What s roof sheathing made of. Roof sheathing is usually made of either oriented strand board osb or plywood. Roof sheathing also known as roof decking is a strong layer of wood boards that are fixed to your roof s joists and trusses. 6 39 used underasphaltshingles metal sheet roofing or other.