Do You Need To Waterproof Bathroom Floor Nz
Shower walls must be waterproofed up to at least 1800mm.
Do you need to waterproof bathroom floor nz. When your membrane is installed waterproof the rest of the floor. If any tiles sound hollow you must remove them and then re-glue them down. Falls to waste showerhead.
The walls need to be waterproofed up to 150mm. Once again paint the area then put the membrane down and give it a second coat to flatten it. This video from Bunnings Warehouse will show you the simple steps.
Hi Joan_J As long as there is an existing waterproofing layer then an additional one doesnt need to be installed before re-tiling. The walls must be waterproofed up to at least 150mm. Shower walls should be water resistant and penetrations waterproofed.
Shower walls are to be waterproofed to 150mm above the shower floor substrate or 25mm above the maximum retained water level. Over the hob or step down must be waterproofed to at least 150mm. Waterproofing the entire floor area is recommended for tiled floors.
You will need to check for any drummy tiles by tapping on them with the handle of a screwdriver. Unenclosed shower areas are to be waterproofed to 1500mm from the shower. If the bathroom floor is above ground level or made of timber plywood or particleboards the entire bathroom floor must be waterproofed.
The thing is with waterproofing your bathroom- you need to get it right the first time. The walls encasing the bathroom must be waterproofed up to 150mm. In short they require that.