Insul-Joint Backer Rod - All Thicknesses Thickness:2.5 In Prongs enable pre-spotting into insulation

Prongs enable pre-spotting into insulation (for fast on-the-wall fastener assembly)

ensuring a cohesive look across your entire roof

foolproof fit for their 24-inch AC units

Cuts with a knife or saw

Insul-Joint Backer Rod - All Thicknesses Thickness:2.5 In Prongs enable pre-spotting into insulationInsul Joint Backer Rod is an ideal non absorbent compressible backup material inserted into a joint to control sealant depth, creating a backstop to allow proper sealant tooling. It can also be used as a temporary joint seal. It is commonly used in glazing operation, window and door applications, expansion joints, curtain wall joints, partitions, log construction, pavement joints and repair, precast units and copings. Insul Joint Backer Rod is an