Roof Decking Terminology

3 composite steel deck.

Roof decking terminology.

The boards that make up the surface of a deck. Decking is the foundation of your roof. The boards that sit on top of the posts and support the joists. 1 steel form deck.

The deck is the base that rests against the bones of your attic to cover the rafters and support the weight of the roofing materials. 4 5 type j roof deck. Most decking is made from plywood or osb oriented strand board. 3 5 dovetail metal deck.

The distance between the center of deck joists is usually 12 or 16. 1 5 steel form deck. 9 16 steel form deck. There are four main types of decking commonly used on residential roofing projects.

Osb is the composite version of plywood. The decking boards are secured to the joists. Oriented strand board osb is cheaper than plywood but not as strong as plywood and does. 3 type n roof deck.

Pergolas are usually made of. Occurs where overlapping materials are seamed sealed or. The horizontal board that runs along the top of all posts and pickets running around a deck. 7 8 hd steel form deck.

2 composite steel deck. 2 0 dovetail metal deck. That part of a roofing waterproofing or flashing component that overlaps or covers any portion of the same or. 1 5 composite steel deck.

An asphalt based roof cement formulated to adhere overlapping plies or asphalt roll roofing. 1 5 type a roof deck. A shade structure that is typically installed over a deck or patio. It comes in many grades with ratings from a to d.

Plywood is strong durable and light.