Roof Framing Terms And Definitions

2 in a metal roof.

Roof framing terms and definitions.

Roofs must also be strong enough to withstand high winds. The primary object of a roof in any climate is protection from the elements. Since that time we ve added further roof types terms and graphics to create a more complete list. Roofing design types terms.

This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams. Framing consists of a doubled valley rafter in the middle that extends from a top plate corner to a second ridge board with angled jack rafters for support. Collar ties rafter ties tension beams structural ridge beams. Some of these can support the roof and prevent ridge sagging and wall spreading.

Roof slope and rigidness are for shedding water and bearing any extra additional weight. 4 in a membrane roof system. 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. The upper portion of a sidewall that comes to a triangular point at the ridge of a sloping roof.

When repairing or replacing a roof it pays to be familiar with these terms. Includes illustrations that show roofs have hip rafters ridge boards jack rafters and more. Roof framing involves a lexicon all its own. A metal closure set over or covering the joint between adjacent metal panels.

A narrow plastic wood or metal bar which is used to fasten or hold the roof membrane and or base flashing in place. A type of roof containing sloping planes of the same pitch on each of four sides. 1 cap or cover. The top horizontal framing members of a framed wall.

The inward angle of two sloping roof sections.