Gauge For Metal Roofing

What gauge is best for metal roofing that will be spanning from purlin to purlin.

Gauge for metal roofing.

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. Some people may believe that thicker is always better but whether it needs that added strength actually depends on the type of building construction as well as its location. The problem with metal roofing gauge is that there is a wide range of tolerances. When you choose metal roofing for your project you need to decide which gauge thickness you need from the thinnest 29 gauge to heavy duty 22 gauge.

Metal roof panels are measured by gauge and are usually between 22 and 29. Heavy gauge metal roofing is stronger thicker and more expensive while the thinner gauges are more cost effective in certain applications. Gauge is the thickness of the metal used for a roof. This conversation starts with the gauge you should not use.

While there isn t a noticeable difference in appearance between the panel gauges the differing compositions. It explains the u s. Each number represents a range of inches 0 0179 to 0 0217 for example so two roofs may have the same gauge but slightly different thicknesses. Standard for gauge and decimal equivalents for sheet steel galvanized steel aluminum galvanized alloy coated and of course the cold rolled.

Metal roofing gauge sizes. 22 24 26 29. So which gauge do you need. What gauge metal roofing should i use.

The appropriate gauge ranges from as light as 26 gauge to as heavy as 20 gauge. Panels in both size gauges provide the durability benefits of metal. Metal roofing in 29 gauge is just too flimsy to be used in this application. Sheet steel is 0188 galvanized is 022 aluminum is 0159 galvanized alloy is 0217 cold rolled is 0179 this being sheet and coil.

Each gauge represents a nominal decimal range.