How To Waterproof A Shower Floor

Backup waterproof layer under mud and behind the board.

How to waterproof a shower floor.

Cut the waterproof membrane into lengths of the bathroom walls. Spread mortar and press in continuous strips of waterproof membrane. A wrb behind the cement wallboard does the same job up the walls. To assure a continuous film with no voids on the floor apply a second coat over the first.

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. Use a plumber s pan and drain to encapsulate the shower floor. Tal floor primer or tal floorkey.

To fully waterproof the room apply primer to the walls as well up to about half a foot from the floor. Tal superflex1 membrane. Mica hardware has you covered with our how to on waterproofing your shower. 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. These are just a few of our recommended tips and tricks when preparing to waterproof a shower. Ensure the entirety of the room has a smooth even layer of primer. Scutching hammer optional or bolster to remove any tile and or tile adhesive remains.

Lay the membrane down so that half is on the wall and the other half on the bathroom floor covering the crack. It may sound funny but waterproofing is a crucial first step when installing a new shower. To stick the membrane down use either a paint roller or brush to paint over it with the waterproofing agent. This is the last line of defense.

You have to mop up the floor every time you hop out of the shower.