HYDRO-BLOK® Joint Sealant

SKU: HB-10OZ-SEALANT-HBJSCART
Hydro-Blok Joint Sealant, 10oz cartridge and 20oz sausage pack
Hydro-Blok Joint Sealant, 10oz Cartridge
Hydro-Blok Joint Sealant, 20oz Sausage Pack

HYDRO-BLOK® Joint Sealant

SKU: HB-10OZ-SEALANT-HBJSCART
Regular price $16.88 Sale price $12.93 Save $3.95
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HYDRO-BLOK® Joint Sealant is a premium polyurethane sealant designed specifically for waterproofing applications in HYDRO-BLOK® 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-BLOK® 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-BLOK® 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-BLOK® 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-BLOK® 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.

Hydro Blok


Frequently Asked Questions

What is HYDRO-BLOK® Joint Sealant?
HYDRO-BLOK® Joint Sealant is a premium polyurethane sealant designed for waterproofing HYDRO-BLOK® Shower Systems, offering a flexible, durable, and watertight seal with low VOC and non sag performance.
Do I need to use a primer with this sealant?
No primer is required. The sealant’s formula provides excellent adhesion to multiple substrates without priming, saving you time on waterproofing jobs.
What is the skin time and application temperature?
The sealant skins over in 30 to 40 minutes and can be applied in temperatures from 35° F to 110° F.
What service temperature range does it support?
It remains effective in service temperatures from -60° F up to 225° F.
What warranty comes with the sealant?
It includes a 20-year performance warranty, ensuring long-term protection for your waterproofing systems.
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