Used To Support Roof Sheathing

Your roofer will attach your shingles to these squares or planks of wood.

Used to support roof sheathing.

It is assumed here that you will be applying plywood particle board or wafer board sheathing. The attachment of roof sheathing can be improved in one of two ways. What s roof sheathing made of. With edge support and the same snow load 3 8 inch osb can be used.

Sheathing should bethickenough to span the supports and provideasolid base for fastening the roofing materials. To stabilize the rafters support the roofing material and hold the entire roof together roof sheathing is installed. The most common materials for this are oriented strand board osb or plywood both formed of layers of wood bonded into a panel. If you have chosen to use a rigid roofing metal wood shakes or shingles tile etc you can use 1 x 4 slats instead.

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. Plywood used for roof decking is typically called sheathing and. 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. Roof sheathing attaches to the surface of the rafters or trusses to form the structural skin of the roof.

Generally third grade species of lumber such aspines redwoods and hemlocks are used as roofsheathingboards. With wood roofs slats are a must to avoid rotting the wood shakes. Common roof sheathing materials include several types which are chosen depending on the budget and weather conditions of the area. 6 39 used underasphaltshingles metal sheet roofing or other.

Continue reading below our video of the day. 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 cheapest and easiest is to re nail or better yet screw down the sheathing when you replace your roof covering.