The Use Of Concrete Form Boards For Roof Sheathing

There are several types of sheathing each having a specific function based on its application.

The use of concrete form boards for roof sheathing.

1 by 8 boards commonly used on the eave and rake overhangs when soffits will not be installed rather than as roof sheathing. The boards are more attractive when viewed from underneath than rough plywood. It is normally 1 inch 3 4 inch dressed tongue and groove lumber or 3 4 inch plywood. Plywood particle board or wafer board roof sheathing is most commonly used being low in cost and easy to apply.

The most basic function of sheathing in any application is to form a surface onto which other materials can be applied. Sheathing should be a minimum of 19 32 inch thick. Tongue and groove lumber or plywood gives a. 8d ring shank nails should be used instead.

Oriented strand board isn t plywood nor is it a type of particleboard fiberboard or wafer board and although it is a newcomer to a plywood dominated market its use for exterior sheathing is. Sheathing sheathing forms the surface of the concrete. The typical thickness range for sheathing is 3 8 to 3 4 inch. Never attach roof sheathing with staples.

Sheathing is the board or panel material used in floor wall and roof assemblies of both residential and commercial construction. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. When i built my house years ago i poured my basement walls using my subfloor as forms and hundreds of feet of 2x4 s for the walers it worked real nice any tile was layed over concrete board also i poured my garage foundation using my 5 8 roof sheathing for its forms. Securock roof boards are a portfolio of high performance roof boards to meet the needs of your low slope commercial roofing project.

Roof sheathing attaches to the surface of the rafters or trusses to form the structural skin of the roof. Each type of roof board is uniquely designed to help protect your roof when used as a fire barrier thermal barrier coverboard recoverboard or parapet wall. It should be smooth especially if the finished surface is to be exposed. If you have chosen to use a rigid roofing metal wood shakes or shingles tile etc you can use 1 x 4 slats instead.

With wood roofs slats are a must to avoid rotting the wood shakes.