Reddit reviews 3/8" Closed Cell Backer Rod - 100 ft Roll
We found 1 Reddit comments about 3/8" Closed Cell Backer Rod - 100 ft Roll. Here are the top ones, ranked by their Reddit score.
DOES NOT COME ON A SPOOL
this is what you want to use. just put some of that 3/8" foam into the crevice and put the sealant on top. the pressure washer will tear right through it though so you will need to be careful.