Plywood Or Decking For Roof

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.

Plywood or decking for roof.

One side is usually better quality than the other c in this case. Foot and with a maximum of spacing of 16 inches between rafters. The common grade of plywood for roof sheathing is cdx. Plywood sheathing delivers outstanding stiffness strength and versatility.

Plywood typically comes in 4 8 ft. The thickness of plywood used for roof decking depends on the roof slope the spacing of. Severe weather 1 2 in common douglas fir plywood sheathing application as 4 x 8. The minimum thickness of plywood used for roofing is 3 8 th of an inch.

As a quick primer in plywood each side is rated from a to d. 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. Even though it isn t visible it is very important to the structure of your home.

Most construction sites will consider the use of either osb or plywood for the roof. Find plywood sheathing plywood at lowe s today. The minimum plywood for roofing plywood is layers of wood. It adds proven performance and durability to new homes room additions and renovations.

There are three types of wood roof decks. What kind of plywood for the roof. Every piece meets the highest grading standards for strength and appearance. Tongue and groove plywood or osb sheathing plank sheathing.

Cdx plywood is a construction grade type of plywood that is designed for exposure to the elements. This kind of plywood can be used on roofs with minimal load. Steeper rather than flatter roofs will have lesser load per sq. Many factors affect thickness.

A is smooth and knot free while d the lowest quality has missing knots and cracks. 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. Plywood is made with three or more layers of thin wood glued together with the grain.