Space Balls SPB 260P 5000/package
- Center Solid Panels
- Compresses if Panels Expand
- Helps Eliminate Cracking Glue Joints
- 8-10 Balls Recommended per door
- For the most reliable expansion joint, SpaceBalls should not be compressed more than 1/3 of its diameter
- NBH# 16681
- Manufacturers code: 260P
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