Aquastain HS Acrylic Stain – Decorative Protection for Masonry & Concrete
Aquastain HS is a premium water-based acrylic stain designed to protect and enhance masonry and concrete surfaces. With excellent adhesion, breathability, and water-repelling properties, it resists mildew, carbonation, and color fading, making it an ideal solution for both exterior and interior architectural walls. The stain helps preserve surface aesthetics while contributing to LEED certification and maintaining structural durability over time.
Key Benefits
- Repels water and moisture intrusion
- Excellent adhesion to masonry surfaces
- Protects against carbonation and mildew growth
- Breathable and freeze-thaw stable
- Outstanding UV resistance and color retention
- Supports LEED points and sustainable design
Common Applications
- Interior and exterior architectural walls
- Concrete and concrete masonry units (CMU)
- Stone, brick, and stucco surfaces
Packaging
Aquastain HS is packaged in 5-gallon (18.9 L) pails for ease of use in small and large-scale projects.
Technical Properties
| Property | Value |
|---|---|
| Type | Water-based acrylic stain |
| Application | Interior and exterior vertical surfaces |
| Packaging | 5 gal (18.9 L) pails |
| Breathability | Yes |
| Stain Resistance | Resists mildew, fungus, carbonation |
For a similar acrylic coating product, explore Tammscoat Acrylic Coating. Visit the official Euclid Chemical page for Aquastain HS for more details.




