Roof Members Terminology

A horizontal timber or metal resting at the peak of the roof the rafters and trusses are connected to the ridge board for a cohesive framework.

Roof members terminology.

Rafter the members making up the main body of the framework of all roofs are called rafters. Terms for roof truss members. A structure designed and constructed to house farm implements hay grain poultry livestock. A horizontal member that establishes the lower edge of a truss usually carrying combined tension and bending stresses.

It is a waterproofing layer made of regular felt stacked above the solid. A building product which supplements a basic solid panel building such as a door window light transmitting panel roof vent cupola soffit wainscot overhang etc. Collar ties rafter ties tension beams structural ridge beams. They do for the roof what the joists do for the floor and what the studs.

A low slope or flat seeming roof covered with alternating layers of roofing felt and hot mapped asphalt and topped off with a layer of gravel. The following is a list of terms or phrases commonly used in the roofing industry. 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. The following diagram shows the terms applying to gable end roofs.

Each term is accompanied by a brief definition. The wood member at the intersection is called the valley rafter and the feet of short spars are nailed to the valley rafter. The following diagram shows the terms used for general roof truss members. The edge of a roof which runs from eaves to ridge at a gable.

The terms pitch and slope are simply two different ways of expressing the same measurement. Below are some commonly used terms that identify parts of a roof and types of roofing. A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load. To search the glossary for a specific word or phrase hit the ctrl and f buttons on your keyboard simultaneously and enter the keyword you wish to search for.

Terminology commonly used in the metal building industry. Common roofing terms defined explained. Basic terms and descriptions. The same roof has a 4 12 or 1 3 pitch.

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. The portion of the roof projecting out from the side walls of the house. 1 part of a pitched roof construction that receives the feet of the spars sp ars and ceiling joist ends.