How to fill gaps with caulk 3 8 Foam Backer Rod
TileTVS4 23 18 - Join NTCA Trainer Randy Fleming as he demonstrates how to use Backer Rod at an expansion joint. How to CAULK a Big GAP. PRO Tips! Start to Finish! Backer Rod Installation In this video I will show you how to PROPERLY seal the cracks and expansion joints in your concrete with a self leveling sealant Nomaco HBR XL 3600' x 3/8" x 3/8" White Polyethylene Foam ...