Backer Rod For Caulking Tub

While caulk alone can be applied to narrow cracks gaps wider than 1 4 should be filled with foam backer rod first.

Backer rod for caulking tub.

The backer rod should be larger than the joint and be compressed into it. Remove old sealant with caulk remover. Use a cloth and water diluted detergent to scrub. The sealant cannot be applied too thick or too thin for it to perform correctly.

Clean all surfaces to you want the caulking material to adhere. The backer rod will fill up the excess space plus you can control how thick the sealant will be on top of the backer rod filling the joint. Fill very deep or very wide gaps up to 6 inches with a backer rod before applying the caulk. The backer rod helps cushion and insulate and helps prevent 3 point bonding.

How to use backer rod caulking material step 1. Use a putty knife to. Watch our syndicated tv show today s h. Before caulking use the md building products 1 2 in.

They can be made of several different. Backer rods are flexible foam tubes of different densities. Backer rods are usually round flexible lengths of foam that are used as a backing in joints or cracks to help control the amount of sealant caulking used and create a back stop.