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Armacell
Sealant Backer Rod
QXO product C-801540 · 1 options
Selected: AC3 TUNDRA FOAM 1-1/8"
QXO SKU 801540 · Product number AC3TFOCBR118
Free, no-obligation quote. Our team confirms local availability, required quantities, compatible components, and installation pricing.
Selected option specifications
- UOM
- CTN|BAG
- Item Weight
- 1
- Algae Resistance
- No
About this product
Sealant backer rod is made of open cell polyurethane foam. Backer rods are round flexible lengths of foam that are used as a "backing" in joints or cracks to help control the amount of sealant used or the depth of the sealant in the gap. Open cell foam is highly compressible and will fill irregular joints more evenly.



