Rigid Roof Covering
The term is defined in section 1502 definitions as.
Rigid roof covering. 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. Spray polyurethane foam spf is the only roofing material that has no seams. Ments for each specific roof covering and assembly. Get to know more about one of the most popular commercial roofing systems.
Foam roofing bonds around roof penetrations such as pipes vents and edges. It can be applied on the roof floor and walls and it s most widely used in structural insulated panels and insulated concrete forms. The dura foam roof system has a rigid and durable surface that you can walk on. Sec tion 1508 roof insulation contains requirements for roof insulation.
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. Excess heat build up in the membrane is transferred to the structural roof deck. Learn about insulation and cover boards. When it comes to estimating the weight of an existing roof field verification of the in place construction is necessary.
The covering applied to the. Eps is also the most inexpensive of the three types of rigid foam insulation while also meeting the required building and energy codes.