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.
The thickness roofing 29 gauge.
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.
Based on gauge alone a thicker metal will be more durable and is more resistant to weather events.
While those who ask this are hoping for a simple answer such as only purchase 26 gauge the answer is never nearly that simple.
While 26 gauge and 24 gauge are generally the standard for most commercial and residential installations some choose to work with 29 gauge because it is more affordable.
For example 29 gauge is thinner than 26 gauge and 24 gauge is heavier than 26 gauge.
Below i will share my thoughts on what sort of metal thickness or gauge is best for residential metal roofing.
29 gauge steel the standard in the post frame industry has an average thickness of 0172 of an inch with a minimum of 0142.
For reference a can of soda is usually 37 gauge while the thickness of the hood of a car is 20 gauge.
22 is the thickest gauge while 29 is the thinnest.
The standard gauges for residential roofs are 22 through 29.
For example a 26 gauge steel panel can range between 0 0179 and 0 0217 inches thick according to a university of north carolina at chapel hill resource.
Manufacturers in the united states use gauge to express the thickness of metal roof panels.
Then it gets even more complicated because different metals have different measuring standards.
Each gauge represents a nominal decimal range.
The american iron and steel institute aisi publishes the accepted measurement standards for steel thickness.
Most metal roof and wall panels on the market are between 22 29 gauge with 20 gauge being the thickest and 29 gauge being the thinnest panels sold.
22 gauge is the thickest while 29 gauge is the thinnest.
Some steel shingles and tiles have a baked on granular coating that adds to their thickness and the mra notes that those products are usually made from 26 gauge steel.
Gauge to thickness chart gauge stainless galvanized sheet steel aluminum fraction inches mm inches mm inches mm inches mm 30 0 0125 0 33 0 0157 0 40 0 0120 0 30 0 0100 0 25.
Choosing the correct gauge for your metal roof can be very confusing.
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.