Backer Rod Around Tub

First you would waterproof with your favorite liquid waterproofing membrane of choice.

Backer rod around tub.

The backer rod helps before caulking use the md building products 1 2 in. Fill the joint with backer rod then caulk with 100 silicone. There should be a small gap between the backerboard and the tub. Apply it directly onto the sealant to loosen it.

Use a putty knife to. Fill the gap between the tile and the tub with caulk. Make sure to buy one that is made for wet areas and that is nonporous so it will not. Caulk backer rod to help fill gaps and openings in pavement cracks wall joints foundations sidewalks and driveways.

Probably the simplest way is to caulk the gap with 100 silicone or a urethane sealant. After you have pushed the backer rod into place apply caulk on both sides of the rod to secure it in place. Clean all surfaces to you want the caulking material to adhere. Apply it to the wall with the bottom edge about 1 4 in.

Then apply a generous amount of thin set to the bottom bathtub tile and position it 1 8 in. Backer rods are flexible foam tubes of different densities. There are many places around your house where energy is wasted. How to use backer rod caulking material step 1.

This is based on the joint being deep enough so you can apply between a 1 8 to 1 4 thick sealant on top if allowed by the sealant manufacturer. The vertical portion of the flange will point towards your ceiling while the horizontal part will attach to your tub s edge. In some cases you may need an l shaped tub flange to fill in a gap between the wall and your bathtub. Doors and windows are not the only places where heat and conditioned air leakage occurs.

That s the by the book way of treating that joint. The best approach when installing cement board or other tile backer around a tub is to keep the cement board out of the lip area. They can be made of several different materials. Use a cloth and water diluted detergent to scrub.

Remove old sealant with caulk remover. Any gaps that are wider or deeper than this should use backing material such as this caulk backer rod available on amazon to fill in the gap and allow the caulk to sit securely across the. Above the lip of the tub. Based on your description that when the tub is full of water the joint is less than 1 4 wide i would put in the 1 4 backer rod with the tub full of water and apply the sealant without water in the tub.