The thicknesses are listed below.
Roof thickness mm.
1 2mm standard 1 5mm commercial resitrix.
Four are epdm membranes and the fifth is a polyurathane liquid.
Other types of shingles including number 1 wood cedar shake and tile are thicker although the thickness depends upon the individual brand of shingles you select.
Each gauge represents a nominal decimal range.
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.
A good contractor will clarify the client with different ranges of aluminum roofing sheet thickness in the market and their cost while a bad contractor will not do that.
For example standard 29 gauge steel roofing made in long panels is about 0 36 millimeters thick and the 26 gauge version is slightly thicker at 0 48 millimeters.
The thickness of aluminum roofing sheet in most nigeria market ranges from 0 7mm to 1mm thickness the thicker the roofing sheet the costlier it will be.
We sell a total of five roofings systems.
When installed however the shingles overlap doubling the thickness.
The gauge of a metal roof refers to its thickness and the higher the gauge the thinner the metal.