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.

Use a cloth and water diluted detergent to scrub. Watch our syndicated tv show today s h. 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. Many sizes diameters are available for optimal fitting to the size of the joint being sealed.

Clean all surfaces to you want the caulking material to adhere. 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. Fill very deep or very wide gaps up to 6 inches with a backer rod before applying the caulk. Apply it directly onto the sealant to loosen it.

Remove old sealant with caulk remover. The backer rod helps cushion and insulate and helps prevent 3 point bonding. Before caulking use the md building products 1 2 in. Backer rods are flexible foam tubes of different densities.

Caulk backer rod to help fill gaps and openings in pavement cracks wall joints foundations sidewalks and driveways. How to use backer rod caulking material step 1. The backer rod should be larger than the joint and be compressed into it.