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While WEST SYSTEM® Epoxy creates an excellent moisture barrier by itself, 422 Barrier Coat Additive is a proprietary blend designed to improve cured epoxy’s moisture exclusion effectiveness further. 422 is used as a barrier coating additive to help prevent gelcoat blistering in polyester fiberglass boats. 422 also increases the epoxy’s abrasion resistance. Add to any mixed WEST SYSTEM 105/200 Series Hardener combination.
DESIGNED FOR :
- Moisture Resistance
- Abrasion Resistance
- Preventing Gelcoat Blistering
PROJECT USES:
Create an abrasion and moisture-resistant surface in:
- Fiberglass Repairs
- Gelcoat Blister Repairs
- Boat Restoration
- Rudder Restoration
- Moisture Exclusion
PRODUCT SPECIFICATIONS:
- Color | Light Gray
- Cures to Gray