8400 CrownCrack PU Sealer
Polyurethane Concrete Repair Compound – Fast-Setting Crack & Spall Repair
Description
CrownCrack 8400 is a two component, low odor, paste applied, fast setting polyurethane-alloy concrete repair system designed to repair concrete and masonry substrates. The new surface will protect concrete from weather, corrosion, erosion, freeze/thaw spalling and chemical attack.
Typical Uses
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Concrete Repair
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Crack Chasing and filling
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Spall, divot, large crack and imperfection filling
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Vertical repairs
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Top filling of sinkers over CrownCrack 8425 and 8435
Benefits
- Paste viscosity for thicker repairs
- Self-priming
- Grindable in 15 to 30 minutes







