Krylon Products Group offers White Lightning Stop Gap triple expanding insulating foam for use in cracks and gaps in concrete walls, masonry and exterior sheeting.
- Dries tack-free in 30 minutes
- Cures in eight hours
- Forms an airtight and waterproof bond
- Can be applied in temperatures from 60 F to 100 F
Fill out the form below to request more information about White Lightning Stop Gap
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![Fcp Racatac Chair 10893876[1]](https://img.forconstructionpros.com/mindful/acbm/workspaces/default/uploads/2025/10/fcp-racatac-chair-108938761.10l0At5WXv.png?ar=16%3A9&auto=format%2Ccompress&bg=fff&dpr=2&fill-color=fff&fit=fill&h=135&q=70&w=240)
