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.
The thickness roofing 29 gauge.
29 gauge steel the standard in the post frame industry has an average thickness of 0172 of an inch with a minimum of 0142.
While those who ask this are hoping for a simple answer such as only purchase 26 gauge the answer is never nearly that simple.
The american iron and steel institute aisi publishes the accepted measurement standards for steel thickness.
Choosing the correct gauge for your metal roof can be very confusing.
For reference a can of soda is usually 37 gauge while the thickness of the hood of a car is 20 gauge.
Below i will share my thoughts on what sort of metal thickness or gauge is best for residential metal roofing.
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.
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 standard gauges for residential roofs are 22 through 29.
A common question i receive from homeowners concerns what metal roofing guage they should purchase.
Manufacturers in the united states use gauge to express the thickness of metal roof panels.
For example 29 gauge is thinner than 26 gauge and 24 gauge is heavier than 26 gauge.
28 gauge steel has an average thickness of 0187 minimum 0157 and 26 gauge is 0217 minimum 0187.
22 gauge is the thickest while 29 gauge is the thinnest.
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.
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.
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.
Then it gets even more complicated because different metals have different measuring standards.
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.
The higher the number of the gauge the thinner the thickness of the metal roofing.