Plywood Or Decking For Roof

This kind of plywood can be used on roofs with minimal load.

Plywood or decking for roof.

As a quick primer in plywood each side is rated from a to d. Many factors affect thickness. Find plywood sheathing plywood at lowe s today. Sheathing sizes 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.

Cdx plywood is a construction grade type of plywood that is designed for exposure to the elements. Plywood sheathing delivers outstanding stiffness strength and versatility. Tongue and groove plywood or osb sheathing plank sheathing. There are three types of wood roof decks.

Even though it isn t visible it is very important to the structure of your home. What kind of plywood for the roof. Sometimes referred to as roof sheathing or a roof deck this plywood acts as a foundation for the layers of underlay and the shingles on your roof and connects the roof to the frame of the house. Steeper rather than flatter roofs will have lesser load per sq.

Unfortunately because the roof sheathing isn t normally visible damage can go unnoticed by homeowners. The common grade of plywood for roof sheathing is cdx. The thickness of plywood used for roof decking depends on the roof slope the spacing of. A is smooth and knot free while d the lowest quality has missing knots and cracks.

One side is usually better quality than the other c in this case. Sheet with varying thickness. It can withstand moisture for a brief period of time but may become warped and delaminated with consistent exposure to the elements. It adds proven performance and durability to new homes room additions and renovations.

Most construction sites will consider the use of either osb or plywood for the roof. Every piece meets the highest grading standards for strength and appearance. It is an excellent choice for light frame wall and roof assemblies in weather protected applications. Severe weather 1 2 in common douglas fir plywood sheathing application as 4 x 8.

Foot and with a maximum of spacing of 16 inches between rafters. The minimum plywood for roofing plywood is layers of wood. Plywood typically comes in 4 8 ft.