59FT Length Backer Rod Foam Caulk Saver for Concrete Filling, Joints and Gaps, 1/2 in Diameter x 59FT Length (Grey)

Features

• 【Durable Material】The backer rod is made of durable polyester foam. The foam hole of the caulk saver foam rod adopts a closed hole design. Has a very high closure rate. It is therefore strongly non-absorbent and will not be penetrated by rainwater. The rod is cylindrical in design.
• 【Flexibility Agility】The material of the backer rod is soft and flexible. It can be bent and twisted into any shape arbitrarily and freely. The total length of foam backing rod is 59 feet. Longer than most backer rods on the market. So that gives you more length to use.
• 【Insulation Function】The caulk saver foam has a strong thermal insulation effect. After filling the cracks with the backing rod, there will be no leakage of cold air or hot air. If you use the closed cell backer rod to fill the cracks in the wall, it can also play a role in blocking noise.
• 【As Filler Material】As a kind of filling material, the biggest function of the backer rod is to fill the cracks. The soft material of the backer rod can fill all kinds of cracks. Don't worry it will be difficult to install and use. A lot of other filler material can also be saved. Very economical and practical.
• 【Easy to Install】Foam backing rod is flexibly inserted into the crack. Then the installation is completed after fixing it with a sealant. Backer rod can fill all kinds of cracks:pavement cracks, wall cracks, cement cracks, etc. At the same time, it can also be used as a jewelry stand and making handicrafts.