Rigid Roof Covering

The covering applied to the.

Rigid roof covering.

A thick typically 1 5 thick closed cell polyurethane waterproofing barrier seals the roof against leaks. On the contrary when a gcp underlayment is installed directly to rigid roof insulation under a metal roof covering there is little or no heat sink effect and therefore excess heat is not transmitted through the membrane. Ments for each specific roof covering and assembly. The term is defined in section 1502 definitions as.

Sec tion 1508 roof insulation contains requirements for roof insulation. It can be applied on the roof floor and walls and it s most widely used in structural insulated panels and insulated concrete forms. Excess heat build up in the membrane is transferred to the structural roof deck. Eps is also the most inexpensive of the three types of rigid foam insulation while also meeting the required building and energy codes.

Foam roofing bonds around roof penetrations such as pipes vents and edges. A built up roof for example will typically include the built up membrane itself with or without gravel as well as some kind of insulation and cover board which will vary in thickness from roof to roof. Learn about insulation and cover boards. Eps is by far the most versatile of the three rigid insulation options.

Get to know more about one of the most popular commercial roofing systems. Spray polyurethane foam spf is the only roofing material that has no seams.