Roof Decking Terminology

Most decking is made from plywood or osb oriented strand board.

Roof decking terminology.

It comes in many grades with ratings from a to d. The boards that make up the surface of a deck. 1 5 type a roof deck. The distance between the center of deck joists is usually 12 or 16.

1 5 16 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. 1 5 steel form deck. 2 0 dovetail metal deck.

There are four main types of decking commonly used on residential roofing projects. An asphalt based roof cement formulated to adhere overlapping plies or asphalt roll roofing. Decking is the foundation of your roof. 3 composite steel deck.

Oriented strand board osb is cheaper than plywood but not as strong as plywood and does. 9 16 steel form deck. 2 composite steel deck. 4 5 type j roof deck.

1 steel form deck. 1 5 type f roof deck. 7 8 hd steel form deck. 3 type n roof deck.

The decking boards are secured to the joists. 3 5 dovetail metal deck. Osb is the composite version of plywood. A solid roof typically installed over a deck or patio providing protection from the weather.

Occurs where overlapping materials are seamed sealed or. Pergolas are usually made of. A shade structure that is typically installed over a deck or patio. That part of a roofing waterproofing or flashing component that overlaps or covers any portion of the same or.

The horizontal board that runs along the top of all posts and pickets running around a deck.