Plywood Roof Sheathing Definition

Roof sheathing also known as roof decking is a strong layer of wood boards that are fixed to your roof s joists and trusses.

Plywood roof sheathing definition.

If you re in search of quotes for a roof sheathing job improvenet can put you in touch with up to four local contractors for free. The use of sheathing is basically to provide a substrate for the finish siding material which could be masonry vinyl or any other finish material that is installed over the sheathing. After you frame the rafters and ridge board you lay the sheathing on top to cover the entire frame. It is an excellent choice for light frame wall and roof assemblies in weather protected applications.

What s roof sheathing made of. Definition of sheathing in construction. And if you re still wondering what roof sheathing is and what materials are typically used read on and satisfy your curiosity. It also holds roofing nails well.

It adds proven performance and durability to new homes room additions and renovations. Plywood is layers of wood plywood is made. Roof sheathing is usually made of either oriented strand board osb or plywood. Sheathing is normally plywood plyscore fiberglass panels insulation board etc.

Your roofer will attach your shingles to these squares or planks of wood. Roof sheathing materials plywood. The common grade of plywood for roof sheathing is cdx. Plywood sheathing delivers outstanding stiffness strength and versatility.

The tar paper and composite shingles or other roofing material go on top of the sheathing plywood. Common roof sheathing applications and installation recommendations are described in the related publications listed at right. Panels designated structural i must meet all of the manufacturing and performance standards of rated sheathing as well as certain additional requirements. The skin of the structure is created with the use of sheathing which can be made up of a variety of materials.

Plywood used for roof decking is typically called sheathing and carries a grade stamp indicating its load and span ratings and other performance factors. Every piece meets the highest grading standards for strength and appearance. Structural i also referred to as struc i may be osb or plywood and is essentially a subcategory of apa rated sheathing. Plywood and oriented strand board osb are used in roof sheathing systems ranging from simple single family residences to large commercial buildings.

The covering of a structural system on the wall roof ceiling etc. In roofing terminology sheathing plywood is the layer of material attached to the structural frame of the roof. Plywoods solve cost structural and conveniece issues but perhaps that is where benefits stop. Any roof sheathing that could not tolerate at least as much relative humidity in the attic as exists outside of a ventilated attic space seems inappropriate for use.

It s a top choice because of its characteristic wherein it expands evenly when exposed to water unlike osb wherein only the edges expand.