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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, 10oz cartridge and 20oz sausage pack
Hydro-Blok Joint Sealant, 10oz Cartridge
Hydro-Blok Joint Sealant, 20oz Sausage Pack

HYDRO-BLOK Joint Sealant

Polyurethane Sealant for Waterproof Seams, Joints & Transitions

$0.00 - $0.00
$0.00
$13.75
$13.75 - $23.96
$13.75
HYDRO-BLOK  |  MPN: HBJSCART  |  UPC: 799441802839
Free Shipping Eligible
Availability:
75 in stock!
Availability:
27 in stock!
Size: 10oz Cartridge

Joint Sealant Specifications

  • Sealant Type: Polyurethane waterproof joint sealant
  • Volume: 10 oz cartridge
  • Consistency: Non-sag
  • Skin Time: 30–40 minutes
  • Elongation at Break: 250%
  • Service Temperature Range: -60°F to 225°F

HYDRO-BLOK® Joint Sealant is a polyurethane sealant designed for sealing seams, joints, panel connections, and transitions in wet-area installations. It creates a flexible, waterproof bond on HYDRO-BLOK panels and many common construction materials.

Key Features
  • Polyurethane Formula: Creates a flexible, waterproof seal.
  • Primerless Adhesion: Bonds to HYDRO-BLOK panels and common construction substrates.
  • Non-Sag Consistency: Applies on vertical and horizontal surfaces.
  • Movement Capability: Provides 250% elongation.
  • Weather Resistant: Paintable and non-yellowing after cure.
  • ASTM C920 Compliant: Meets ASTM C920 Type S, Grade NS, Class 25, Use NT, M, and A.
Best For
  • Sealing seams and joints in wet-area installations
  • Panel-to-panel connections and transitions
  • Waterproofing penetrations and assembly joints
  • Vertical and horizontal sealing applications
  • HYDRO-BLOK and compatible construction materials

Why Professionals Choose Tile This

  • Free shipping on eligible orders $200+
  • Same-day shipping before 2 PM CST (Mon–Sat) for in-stock items
  • Eligible for our Contractor Pricing Program
  • Authorized Hydro-Blok Dealer
HYDRO-BLOK Joint Sealant 10oz Cartridge $13.75

Description

HYDRO-BLOK® Joint Sealant is a polyurethane sealant used to seal seams, joints, panel connections, and transitions in wet-area installations. Its non-sag formulation allows application on vertical and horizontal surfaces while creating a flexible, waterproof bond.

The sealant adheres to HYDRO-BLOK panels and many common construction materials without primer. It provides 250% elongation, meets ASTM C920 standards, and can be applied in temperatures from 35°F to 110°F.

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

Frequently Asked Questions

Can this sealant be used on materials other than HYDRO-BLOK panels?
Yes. HYDRO-BLOK Joint Sealant adheres to many common construction materials and can be used in a variety of waterproof sealing applications.
Does this sealant require a primer?
No. HYDRO-BLOK Joint Sealant adheres to HYDRO-BLOK panels and many common construction materials without primer.
Can this sealant accommodate movement?
Yes. HYDRO-BLOK Joint Sealant provides 250% elongation to accommodate movement within assemblies.
Can it be applied on vertical surfaces?
Yes. The non-sag formulation is designed for vertical and horizontal applications.
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