HYDRO-BLOKĀ® Joint Sealant is a polyurethane-based waterproofing sealant engineered for use in HYDRO-BLOKĀ® shower systems. Its flexible, non-sag formula creates a watertight bond across seams, joints, and panel connections, supporting reliable moisture protection in wet-area installations.
Key Features
- Low VOC Polyurethane: Creates a strong, flexible, waterproof seal compatible with common construction substrates.
- Primerless Adhesion: Bonds to HYDRO-BLOKĀ® components and other surfaces without the need for primer.
- Weather Resistant: Exterior-grade formula that remains stable and is paintable and non-yellowing.
- Non-Sag Consistency: Easy application with a workable skin time of 30ā40 minutes.
- Flexible Performance: Elongation of 250% and a tensile strength of 200 psi for dependable movement accommodation.
- Wide Temperature Range: Apply between 35Ā°F and 110Ā°F; service temperature from -60Ā°F to 225Ā°F.
- Industry Compliance: Meets ASTM C920 Type S, Grade NS, Class 25, Use NT, M, and A.
Specifications
| Specification | Details |
|---|---|
| Consistency | Non-Sag |
| Skin Time | 30ā40 Minutes |
| Elongation at Break | 250% |
| Tensile Strength | 200 psi |
| Lap Shear | 250 psi |
| Application Temperature | 35Ā°F to 110Ā°F |
| Service Temperature | -60Ā°F to 225Ā°F |
| Shelf Life | 12 Months Unopened at 75Ā°F |
HYDRO-BLOKĀ® Joint Sealant provides the flexible bond and waterproof sealing performance required for secure, long-lasting shower system installations.
