Typically, concrete walls of inground swimming pool shell should be 6 to 12 inches thick. However, for some projects or in some sections of the pool shell, a builder will make the shell walls thicker. They need to be thicker at the top of a pool form, where the soil exerts greater pressure.

What gauge steel is a pool wall?

14 Gauge North American steel is the standard option on ALL Royal Swimming Pools steel swimming pool kits.

What gauge steel are above ground pool walls?

To repair pool wall panels, you’ll want the best sheet metal pieces called ‘flats’. Look for a 48 inch tall flat sheet of galvanized steel with thickness of 20-30 Gauge (don’t bother with the 12 inch wide roll sheet metal, it is not very strong).