$1.00 Backer Rod (Green IBS – Promat) Size Choose an option16mm22mm29mm38mmClear Backer Rod (Green IBS - Promat) | 22IBS quantity Add to cart SKU: N/A Category: Fire Rated Wrap Additional information Additional information Size 16mm, 22mm, 29mm, 38mm Related products Flexiwrap | 22IS8845 $1.00 Add to cart Rock Wool Blanket | 22RW450FF $1.00 Select options Rock Wool Insulation | 22RWSPI $1.00 Select options