Large Cracks and Gaps
White Lightning® expanding foams are useful fillers for large cracks, gaps and deep holes.
Stop Gap!™
Triple Expanding Foam
- Fills and insulates gaps and cracks
- Can be used as backer rod
- Water resistant
- Fire retardant
- TRIPLE EXPANSION
Stop Gap!™
Minimal Expanding Foam
- Fills and insulates gaps and cracks
- Can be used as backer rod
- Water resistant
- Fire retardant
- MINIMAL EXPANSION