Backer Rod For Caulking Tub

The sealant cannot be applied too thick or too thin for it to perform correctly.

Backer rod for caulking tub.

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. Many sizes diameters are available for optimal fitting to the size of the joint being sealed. 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. Use a cloth and water diluted detergent to scrub. 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.

Use a putty knife to. The backer rod helps cushion and insulate and helps prevent 3 point bonding. 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.

They can be made of several different. 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.