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Backer Rods
Provide support for sealants in gaps—insert these backer rods into gaps and fill in with sealant.
Bicellular backer rods are more compressible than closed-cell ones. They also restrict moisture from being absorbed. Use them with uneven joints where self-leveling is needed.
| For Max. Joint Wd. | Dia. | Lg., yd. | Minimum Temperature, °F | Maximum Temperature, °F | Color | Each | |
Bicellular Polyethylene Foam | |||||||
|---|---|---|---|---|---|---|---|
| 3" | 4" | 18 | -45° | 160° | Gray | 000000000 | 0000000 |