Foam Sealant Joint Backer Rod 13mm, non-absorbent compressible grey closed cell polyethene foam backup material. For instance, you can use it to insert into a joint to control sealant depth and create a backstop to allow proper sealant tooling.
Joint Backer Rod is a non-absorbent compressible, closed-cell polyethene foam material. In other words, it is inserted into a joint to control sealant depth and create a backstop to allow proper sealant tooling.
BENEFITS
- Quick and easy to apply.
- Reduces sealant usage
- Flexible – won’t bubble or blister.
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