Backer Rod For Caulking Tub

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.

Backer rod for caulking tub.

Many sizes diameters are available for optimal fitting to the size of the joint being sealed. Use a cloth and water diluted detergent to scrub. Before caulking use the md building products 1 2 in. Use a putty knife to.

Backer rods are flexible foam tubes of different densities. The backer rod helps cushion and insulate and helps prevent 3 point bonding. Remove old sealant with caulk remover. While caulk alone can be applied to narrow cracks gaps wider than 1 4 should be filled with foam backer rod first.

The backer rod should be larger than the joint and be compressed into it. Fill very deep or very wide gaps up to 6 inches with a backer rod before applying the caulk. How to use backer rod caulking material step 1. The sealant cannot be applied too thick or too thin for it to perform correctly.

Apply it directly onto the sealant to loosen it. They can be made of several different. Clean all surfaces to you want the caulking material to adhere.