Plywood Or Decking For Roof

A is smooth and knot free while d the lowest quality has missing knots and cracks.

Plywood or decking for roof.

The minimum plywood for roofing plywood is layers of wood. It adds proven performance and durability to new homes room additions and renovations. Foot and with a maximum of spacing of 16 inches between rafters. What kind of plywood for the roof.

Cdx plywood is a construction grade type of plywood that is designed for exposure to the elements. Plywood typically comes in 4 8 ft. 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. Sheet with varying thickness.

There are three types of wood roof decks. Tongue and groove plywood or osb sheathing plank sheathing. Plywood is made with three or more layers of thin wood glued together with the grain. Even though it isn t visible it is very important to the structure of your home.

One side is usually better quality than the other c in this case. As a quick primer in plywood each side is rated from a to d. Find plywood sheathing plywood at lowe s today. Unfortunately because the roof sheathing isn t normally visible damage can go unnoticed by homeowners.

The minimum thickness of plywood used for roofing is 3 8 th of an inch. When it comes to choosing what kind of plywood you need for the roof it is important to understand the basic categories that you can choose from. 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. Most construction sites will consider the use of either osb or plywood for the roof.

Severe weather 1 2 in common douglas fir plywood sheathing application as 4 x 8. It is an excellent choice for light frame wall and roof assemblies in weather protected applications. The common grade of plywood for roof sheathing is cdx. Steeper rather than flatter roofs will have lesser load per sq.

It can withstand moisture for a brief period of time but may become warped and delaminated with consistent exposure to the elements. Many factors affect thickness. Plywood sheathing delivers outstanding stiffness strength and versatility.