Metal Roof Structure Terminology

Truss roof the prefabricated self supporting triangulated structural framework commonly used for all types of roofs.

Metal roof structure terminology.

A metal v shaped gutter is fixed in this area to direct water to the gutter. A skillion roof is also commonly known as a shed roof. A part used in a metal building system. Horizontal lengths of material wood or metal that are affixed to the roof and to which the finished roofing material is affixed.

It has a steeper and more noticeable pitch. An l shaped metal strip positioned along a roof s edges to allow water to run off the roof without running down the eaves or siding. Glossary of metal roofing terms 30 lb felt. Scaffolding a temporary structure specifically used to support access platforms or working platforms.

Purlins can be wood strips 1 x 2 or can metal and are usually a 1 subgirt material preferably galvanized steel. Valley the internal angle formed by two inclined slopes of a roof. See also components and cladding. Is a moisture proof foil material that is placed over the roof battens and installed beneath the external roof covering eg tiles or metal.

Also called non structural systems. Skillion a roof shape is different from a standard flat roof. These indicate the resistance of a roofing system to fires originating from sources. Class a b and c fire ratings.