7/8" BackerBead
- Combination Bead - Reduces steps in the field installation of casing bead and separate backer rod. Ensures backer rod is installed around all door and window openings.
- Improved Quality - Factory-applied blue backer rod with preset width and depth to ensure proper caulk gap for sealant application. When the gap is properly caulked, the blue backer rod will no longer be visible.
- Separation of Dissimilar Materials - Properly terminates stucco and mortar at window and door frames.
- Sealant Compatibility - Closed-cell backer rod compatible with elastomeric and other cold-applied sealants.
