Sashco – 30381 Pre-Caulking Filler Rope Backer Rod Roll, 100 Length x 3/8″ Width, Grey-Fast Shipping

Description

Makes professional joints that last

Helps fill in and insulate large caulk joints and allows the caulking to absorb more movement

Closed cell design repels water to help protect the joint from damage

Complies with ASTM C 1330, Type C

Measures 3/8-inches diameter by 100-feet length

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