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.
Roof thickness mm.
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.
So bad contractor could quote 1mm thickness during contracts bidding and use 0 8mm thickness without the knowledge of the client.
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.
The gauge of a metal roof refers to its thickness and the higher the gauge the thinner the metal.
Standard asphalt shingles add very little thickness to the roof because a standard three tab shingle is about 3 16 inch thick.
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.
The thicknesses are listed below.
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.
The min thickness of the roof slab should be 6 inches and maximum it can go up to 13 14 inches for span up to 7 m long.
1 2mm standard 1 5mm commercial resitrix.
We sell a total of five roofings systems.