How To Waterproof A Shower Floor

Tal floor primer or tal floorkey.
How to waterproof a shower floor. Backup waterproof layer under mud and behind the board. A wrb behind the cement wallboard does the same job up the walls. To stick the membrane down use either a paint roller or brush to paint over it with the waterproofing agent. To assure a continuous film with no voids on the floor apply a second coat over the first.
To fully waterproof the room apply primer to the walls as well up to about half a foot from the floor. Embed a thin fiberglass mesh into the membrane for changes of plane and for gaps 1 8 or greater for the best performance. Tal superflex1 membrane. If you are waterproofing a shower recess apply primer at least 6 feet up the wall.
Spread mortar around the opening of the drain hole then press the floor drain into place. Cut the waterproof membrane into lengths of the bathroom walls. Lay the membrane down so that half is on the wall and the other half on the bathroom floor covering the crack. Waterproof the seams along the base of the shower walls where the walls meet the shower pan.
If water gets through this you are going to have a problem. You will need available from mica. Scutching hammer optional or bolster to remove any tile and or tile adhesive remains. Ensure the entirety of the room has a smooth even layer of primer.
Use a plumber s pan and drain to encapsulate the shower floor. It may sound funny but waterproofing is a crucial first step when installing a new shower. This is the last line of defense. The idea is to create a watertight seal around the stall that will keep draining water from leaking into the tiny crevices around the wall joints and floorboards and causing rot and other structural issues.
Mica hardware has you covered with our how to on waterproofing your shower.