How Thick Is Metal Roofing

The higher the number of the gauge the thinner the thickness of the metal roofing.

How thick is metal roofing. Metal corrugated roofing can come in different gauge s most gauges can be cut with tin snips easily but slowly. Metal roofing is thinner but is often corrugated or formed with a standing seam which can increase the total roof height by 1 to 2 inches. Choosing the correct gauge for your metal roof can be very confusing. Our goal in this article is to explain when a heavier or lighter gauge makes sense.

Each gauge represents a nominal decimal range. Gauge refers to the thickness of the metal panel and is represented in number form. In many communities building codes will allow a second layer of shingles but will not allow a third layer. Minimum 032 steel shingles.

When using tin snips to cut thick metal or if you are using low quality metal snips they might fail with the two blades starting to separate causing the snips to not cut as effectively. Minimum 0185 steel tile. Most metal roof and metal siding panels on the market are between 20 29 gauge with 20 gauge being the thickest and 29 gauge being the thinnest panels. Metal roofing is produced from different hardness grades.

Making trim from grade 80 however will cause tiny cracks in the metal exposing it to rain and eventually rust. 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. Metal roofing thickness recommendations that include paint. This combination of thickness and hardness is great for metal panels that require dent resistance.

Minimum 0145 aluminum shingles. Manufacturers in the united states use gauge to express the thickness of metal roof panels. 014 018 exposed fastener corrugated aluminum roofing. What is a roof gauge.

It s important for you as a homeowner to know about the gauge thickness of a metal roof so you can select the best one for yourself. Get free shipping on qualified metal roofing or buy online pick up in store today in the building materials department. Exposed fastener corrugated steel roofing. 22 gauge is the thickest while 29 gauge is the thinnest.

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. Weight more important than the thickness of the roof is the combined weight of the shingles. The gauge of a metal roof refers to its thickness and the higher the gauge the thinner the metal. Grade 80 is a hard steel used to produce metal panels of 26 or 29 gauges.

For example 29 gauge is thinner than 26 gauge and 24 gauge is heavier than.