Plywood Or Decking For Roof

As a quick primer in plywood each side is rated from a to d.

Plywood or decking for roof.

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. It adds proven performance and durability to new homes room additions and renovations. Many factors affect thickness. The common grade of plywood for roof sheathing is cdx.

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. Unfortunately because the roof sheathing isn t normally visible damage can go unnoticed by homeowners.

Plywood typically comes in 4 8 ft. Foot and with a maximum of spacing of 16 inches between rafters. Plywood sheathing delivers outstanding stiffness strength and versatility. Every piece meets the highest grading standards for strength and appearance.

Most construction sites will consider the use of either osb or plywood for the roof. The minimum plywood for roofing plywood is layers of wood. 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.

Even though it isn t visible it is very important to the structure of your home. 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. It can withstand moisture for a brief period of time but may become warped and delaminated with consistent exposure to the elements.

One side is usually better quality than the other c in this case. 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. Steeper rather than flatter roofs will have lesser load per sq.

Find plywood sheathing plywood at lowe s today. This kind of plywood can be used on roofs with minimal load. A is smooth and knot free while d the lowest quality has missing knots and cracks.