Backer Rod
Backer Rod
Description:
Backer Rod is a flexible class cell polystyrene supplied in the form of a rope. It is typically used by builders, contractors to fill gaps within the construction joints like concrete floor, tiles, and expansion joints prior to application of sealants. This is mainly used to limit depth and obtain a uniform seal. Generally, the backer rod is used to insert in the gaps wider than 6.5mm.