Terminology Metal Roof Parts Diagram

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.

Terminology metal roof parts diagram.

The portion of the roof projecting out from the side walls of the house. Architectural roofing is metal roofing systems that are non weightload bearing and must be installed over solid decking rather than battens or purlins. The same roof has a 4 12 or 1 3 pitch. The terms pitch and slope are simply two different ways of expressing the same measurement.

It is the lower part of the roof that extends beyond the side of the house. Steel building diagram metal building terminology building diagram 2011 01 06. Rake is an inclined edge of a roof on top of a wall. Metal roof panels wall panels.

Flashing or step flashing is a flat sheet of metal or plastic that is nailed over the cracks between the chimney and the main structure of the house. Panel finishes color guides. Below are some commonly used terms that identify parts of a roof and types of roofing. 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.

30 lb felt was the standard underlayment for quality metal roofing systems and is still used but has been replaced in many areas by the newer synthetic underlayments it is typically made of a polyester fleece and infused with tar. Get a free quote. A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load. It is a waterproofing layer made of regular felt stacked above the solid.