Sashco Pre-Caulking Filler Rope Backer Rod is a 3/8-Inch by 20-foot soft cell backer rod with water-resistant skin.
- Easy to fit - soft and pliable so it fits into the joint easily
- Water resistant - unlike open cell backer rod, it repels water to help protect the joint from damage
- Fills the joint so you use less caulk
- Fully compatible with all substrates and sealants
- Easy to fit - soft and pliable so it fits into the joint easily
- Water resistant - unlike open cell backer rod, it repels water to help protect the joint from damage
- Fills the joint so you use less caulk
- Fully compatible with all substrates and sealants
