Lumber Roof Terminology

End grain lumber grain as seen from one end of the board.

Lumber roof terminology. Roof features associated with basic roof framing terms are shown in figure 2 2. End check separation of the wood fibers at the end of a board. The same roof has a 4 12 or 1 3 pitch. Roof framing terms are related to the parts of a triangle.

A narrow plastic wood or metal bar which is used to fasten or hold the roof membrane and or base flashing in place. In the following section we ll cover some of the more common roof and rafter terms you ll need. 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. Even texture uniform texture showing little contrast between spring growth and summer growth.

A strip of wood usually set in or over the structural deck used to elevate and or attach a primary roof covering such as tile. Framing terms knowing the basic vocabulary is a necessary part of your work as a builder. A metal closure set over or covering the joint between adjacent metal panels. 1 cap or cover.

2 in a metal roof. End matched tongue and grooved on ends of boards as well as the sides as in oak flooring. 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.