Backer Rod For Caulking Tub

Many sizes diameters are available for optimal fitting to the size of the joint being sealed.

Backer rod for caulking tub.

They can be made of several different. Watch our syndicated tv show today s h. How to use backer rod caulking material step 1. The backer rod helps cushion and insulate and helps prevent 3 point bonding.

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 rods are flexible foam tubes of different densities. Fill very deep or very wide gaps up to 6 inches with a backer rod before applying the caulk. Before caulking use the md building products 1 2 in.

The backer rod should be larger than the joint and be compressed into it. While caulk alone can be applied to narrow cracks gaps wider than 1 4 should be filled with foam backer rod first. Apply it directly onto the sealant to loosen it. Caulk backer rod to help fill gaps and openings in pavement cracks wall joints foundations sidewalks and driveways.

Use a cloth and water diluted detergent to scrub. Clean all surfaces to you want the caulking material to adhere. The sealant cannot be applied too thick or too thin for it to perform correctly.