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.

Apply it directly onto the sealant to loosen it. Before caulking use the md building products 1 2 in. 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. Use a putty knife to.

The sealant cannot be applied too thick or too thin for it to perform correctly. They can be made of several different. 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.

The backer rod helps cushion and insulate and helps prevent 3 point bonding. Many sizes diameters are available for optimal fitting to the size of the joint being sealed. How to use backer rod caulking material step 1. Clean all surfaces to you want the caulking material to adhere.

Caulk backer rod to help fill gaps and openings in pavement cracks wall joints foundations sidewalks and driveways. Backer rods are flexible foam tubes of different densities. Use a cloth and water diluted detergent to scrub.