How Thick Is A Roof

Studied at srm institute of science and technology.

How thick is a roof. Manufacturers express the thickness of metal panels as their gauge with 22 gauge being the thickest and 29 gauge the thinnest of traditionally sold metal roof and wall panels. Exact specifications vary but most concrete roofs are several inches thick. A concrete roof is exactly what it sounds like. How thick should a roof be.

The problem with metal roofing gauge is that there is a wide range of tolerances. Answered october 6 2017. For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers. Whereas a 60 mil membrane is 0 06 inches thick and so on.

A solid slab of concrete capping the top of your house. For example one company might sell a product as being 24 gauge but in reality the thickness of the metal could vary from 0 018 to 0 0335 based upon exactly how that company looks at things and how big of a tolerance they allow for. So a 45 mil roofing membrane is actually 0 045 inches thick. The most common thickness is probably 60 mils.

Each gauge represents a nominal decimal range. Trusses are not as thick as rafters are because they are engineered from multiple wood members with the ability.