Hard Backer Rod
Alcot Hard Backer Rod is a closed-cell extrusion that resists moisture absorption, which makes it the standard choice for exterior joints that see water before or after sealing. Alcot extrudes it in Canada in diameters to suit everything from window perimeters to wide expansion joints. Sized correctly (about 25 percent larger than the joint), it gives your sealant the ideal hourglass profile.
About Alcot Plastics
Made by Alcot Plastics
Alcot Plastics Ltd. is a leading manufacturer of open- and closed-cell extruded polyethylene foam products for a variety of applications. Their backer rod products are commonly used as joint backing to control sealant depth and prevent three-sided adhesion in caulking applications.
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Where this product fits
- Stocked at or transferred between all six branches
- Volume pricing by the case or pallet
- Product specialists to confirm fit for your application
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