Berger-Seidle AquaSeal® ExoBlock – Waterborne Primer & Blocker
Professional primer for difficult timber species and reliable finish adhesion
AquaSeal® ExoBlock is a waterborne primer and blocking agent designed to provide a secure base coat for timber floors, especially those made from exotic or problematic wood species. By reducing the risk of colour bleed, tannin staining, and uneven absorption, ExoBlock ensures a smooth, even foundation for subsequent coats.
Trusted by flooring professionals, ExoBlock delivers excellent adhesion, quick drying, and compatibility with the full range of Berger-Seidle AquaSeal® waterborne finishes. It’s the go-to solution when working with challenging substrates that demand a stable and reliable base.
Key Benefits:
- Specialist Primer
- Blocks Tannins & Discolouration
- Excellent Adhesion
- Fast Drying
- Smooth Application
- Professional Results
Recommended Use:
- Exotic hardwood floors
- Timber with high tannin content
- Problematic or discolouration-prone substrates
- Preparation before AquaSeal® finishes
