Flat Roofing Substrate

New construction and re roof conditions.

Flat roofing substrate.

Originally written in 1970 by roofing experts r l. The downward displacement of a structural member or system under load. The national roofing contractors association nrca offers a robust website and resources geared for contractors about everything roof related. The two main types of substrates used with metal roofing systems are open framing and solid substrates composite or plywood.

Plywood exterior grade structural plywood can be used as a flat or pitched roof substrate and receive either single ply or metal shingle or metal shingle roof panelled cladding across a multitude of settings. Please review the section appropriate for your project. Tile roofing is a very specialized field of roof installation and requires a contractor that is experienced in working with and installing roof tiles of various materials and shapes. They have very little slope when compared to roofs on a home or residential building.

Sprayed polyurethane foam probably the most impressive option is still largely unheard of in the construction community and is relatively rarely used. Decks are either non combustible e g corrugated metal concrete or gypsum or combustible e g wood plank or plywood and provide the substrate to which the roofing or waterproofing system is applied. A substrate is the surface upon which a roofing system is applied. Dick fricklas and c w.

Substrate preparation is divided into two sub categories to fit your particular situation those categories are. New construction or reroof following removal of the original roof. There are several replacement options for your flat flat roof. Griffin this is one of the most comprehensive written guides to commercial flat roofing.

A tile roofing system consists of overlapping roof tiles securely attached to a solid substrate or roof deck on a sloped roof. It can be the roof deck an insulation system or a complete preexisting roof system. Uk flat roofing appointment only garburn view troutbeck windermere la23 1pg united kingdom email us. Substrate boards come in varying thicknesses as well.

The thickness is often chosen based on the need for the board to provide integrity over the roof deck such as at flute spans on steel roof decks. 1 4 inch 1 2 inch 5 8 inch and 1 inch.