Minimum Slope For Shower Floor

Shower floor slope to efficiently drain the recommended minimum slope for a shower floor is about 4 percent or a 1 2 inch drop per every 12 inches from the shower walls to the drain.

Minimum slope for shower floor.

Both methods require that the floor be sloped 1 4 to 1 2 per foot from perimeters to a drain. 36 should be considered the minimum depth for any curbless shower. I asked for the minimum slope and it looks like it is sloped 1 and 1 4 inch for 22 inches from left to right. The membrane is typically referred to as a shower pan.

My contractor has just ripped out my shower floor because it was very uneven. I am just trying to understand the code. A depth of 42 is a significant improvement and 48 is even better. I have found several references for 1 4 in per 12 in run.

The recommended ratio of fall within showers is between 1 60 and 1 80. The minimum standard required for wet areas in residential buildings is contained in the building code of australia bca and as3740 waterproofing of wet areas in residential buildings. Mortar bed and thin bed. And combining that with using the maximum 1 2 per foot of slope on the short 19 run 1 2 per foot times 19 that d give you just a tad over 3 4 of drop.

A 2 slope will probably ensure better drainage we could also find no slope tolerance for use when a floor slope is specified. Two common methods are used to waterproof showers. The larger the shower the easier it is to gradually slope the shower floor to the drain and contain water. Had your tiler gone for the minimum allowed slope on the 3 run you d have 1 4 per foot times 3 or 3 4 of drop.

This includes tiling and gradients of bathroom floors including shower recesses. Flush transition between the room and the shower floor requires a recessed subfloor in the shower area.