Industrial Structural Terms Illustrated Roof Deck

The roof deck is the backbone and an integral component of all roofing systems.

Industrial structural terms illustrated roof deck.

There are many types of roof trusses as wall as many types of roofs more types than there are parts. While reflective single ply roof membranes and high thermal roof insulations seem to have captured current interest in low slope roofing they are just two of many items to be considered in a roofing system. This article and series of illustrated diagrams shows you all the parts of a basic roof truss king truss and queen truss. The same roof has a 4 12 or 1 3 pitch.

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. And it all starts with the roof deck. Instead type a steel roof decks are often used in repair and re roof. The engineered wood association is a trade organization that develops product standards installation standards and does certification testing of engineered wood products such as plywood and osb.

Roofing nails and staples driven into decks at an angle not perpendicular to the roof deck surface. The roof truss structure and design is integral to roof structural integrity and shape. Its main function is to provide structural support for the roof system and therefore is a building element that needs to be designed by a licensed design professional because proper support of the roofing above is critical to the roof system s success. The engineered wood association the apa.

This specific type of roof deck is best used in conjunction with thinner rigid insulation.