Lumber Roof Terminology

A narrow plastic wood or metal bar which is used to fasten or hold the roof membrane and or base flashing in place.

Lumber roof terminology.

End check separation of the wood fibers at the end of a board. The rigid material often 1 inch by 6 inch or one inch by twelve inch boards or sheets of plywood which is nailed to the rafters and to which shingles or other outside roofing materials are secured. Roof framing terms are related to the parts of a triangle. In the following section we ll cover some of the more common roof and rafter terms you ll need.

2 in a metal roof. A roof s slope is the number of inches it rises for every 12 inches of horizontal run a roof with a 4 in 12 slope rises 4 inches for every 12 inches of horizontal run. 1 cap or cover. Framing terms knowing the basic vocabulary is a necessary part of your work as a builder.

A prefabricated solid engineered wood panel made from at least three layers of solid sawn lumber or structural composite lumber scl that are stacked crosswise and bonded together with structural adhesives to form a solid rectangular shaped panel that is intended for construction applications including roofs floors and walls in residential and nonresidential buildings. The terms pitch and slope are simply two different ways of expressing the same measurement. End grain lumber grain as seen from one end of the board. A metal closure set over or covering the joint between adjacent metal panels.

Roof features associated with basic roof framing terms are shown in figure 2 2. The same roof has a 4 12 or 1 3 pitch. 4 in a membrane roof system.