Description
Standard Backer Rod is a round, closed-cell polyethylene foam material with a smooth, skin-like texture. It is compatible with butyl, polysulfide, acrylic, polyurethane, silicone, and most cold sealants. It helps prevent mortar from clogging expansion joints and is the preferred material for brick and block expansion joint fillers.
- 1 1/4in. Diameter
- 400 Linear Feet
- Packed in Spool/Box
- Standard color: Grey/ Dark Grey
- For joint width: 13/16in. – 1in.
