HYDRO-BLOKĀ® Joint Sealant is a premium polyurethane sealant designed specifically for waterproofing applications in HYDRO-BLOKĀ® shower systems. Its low VOC, non-sag formula creates a flexible, durable, and watertight seal that ensures long-lasting protection against moisture. Ideal for anyone needing a reliable joint sealant, this advanced waterproof sealant offers superior adhesion without the need for a primer, making it perfect for professional and DIY use alike.
Key Features of HYDRO-BLOKĀ® Joint Sealant
- Low VOC Polyurethane Formula: Provides a strong, flexible, and waterproof seal suitable for various substrates.
 - Excellent Adhesion: Bonds well without primer to multiple surfaces, saving time during waterproofing.
 - Weather Resistant: Exterior-grade sealant that is paintable, non-yellowing, and non-fading.
 - Non-Sag Consistency: Easy to apply with a 30-40 minute skin time for efficient work flow.
 - Durability: Elongation at break of 250% and tensile strength of 200 psi for lasting flexibility and strength.
 - Wide Temperature Range: Effective application from 35° F to 110° F and service temperature from -60° F to 225° F.
 - Certified Quality: Conforms to ASTM C920, Type S, Grade NS, Class 25, Use NT, M and A standards.
 - Warranty: Comes with a 20-year performance warranty ensuring reliability.
 
HYDRO-BLOKĀ® Joint Sealant Specifications
| Specification | Details | 
|---|---|
| Consistency | Non-Sag | 
| Skin Time | 30-40 Minutes | 
| Elongation at Break | 250% | 
| Tensile Strength | 200 psi | 
| Lap Shear | 250 psi | 
| Application Temperature | 35° F to 110° F | 
| Service Temperature | -60° F to 225° F | 
| Shelf Life | 12 months unopened at 75° F | 
Usage Tips for Optimal Waterproofing
For best results, apply HYDRO-BLOK® Joint Sealant within the recommended temperature range of 35° F to 110° F. Ensure surfaces are clean and dry before application. This sealant requires no primer, simplifying installation in waterproofing systems. It is the only approved sealant for HYDRO-BLOK® shower systems and using substitutes will void the warranty.
Warranty Information
HYDRO-BLOKĀ® Joint Sealant includes a 20-year performance warranty, reflecting the manufacturer's confidence in the durability and long-term waterproof protection of this polyurethane sealant.
Choose HYDRO-BLOKĀ® Joint Sealant for dependable waterproof sealing that protects your shower systems and maintains a strong, flexible barrier against moisture. Order today to ensure your waterproofing projects are completed with the highest quality sealant trusted by professionals.
          
        
    
    
    
