Skip to content
Free Shipping on Most Orders $200 or More!
Free Shipping on Most Orders $200 or More!

GURU W-S Sealant

GURU W-S Sealant is an MS polymer waterproof adhesive designed for tile installation, wet rooms, and construction applications, offering strong adhesion, chemical resistance, and fast curing performance.

Learn More!

Original price $0.00 - Original price $0.00
Original price $0.00
$16.83
$16.83 - $16.83
Current price $16.83
Availability:
41 in stock!
SKU GURU-WS-SEALANT-10OZ-IGU6400

Free Shipping On Most Orders $200 or More!

Contractor Program Eligible

View Contractor Pricing Details

Description

GURU® W-S Sealant is an MS polymer–based adhesive and sealant formulated for waterproofing and bonding in tile and construction assemblies. It is designed for use with GURU Water-Stop systems and maintains adhesion, flexibility, and curing performance in wet installation conditions.

The sealant provides durable bonding across common construction substrates and remains elastic after curing, supporting consistent waterproofing in showers, wet rooms, and structural applications.

Key Features

  • Waterproof and UV Resistant: Suitable for interior and exterior installations exposed to moisture and light.
  • Fast Curing in Wet Conditions: Cures reliably while maintaining elasticity and bond strength.
  • Strong Multi-Surface Adhesion: Bonds to wood, metal, PVC, aluminum, brass, and similar construction materials.
  • Chemical Resistance: Resists diluted acids, alkalis, saline solutions, and soapy water.
  • Versatile Application: Used for tile waterproofing systems, trim bonding, mirrors, HVAC components, and moldings.
  • Clean Application Properties: Silicone-free, low odor, and non-staining.
  • High Coverage Rate: Provides up to 72 ft of coverage per cartridge with a 0.16 in bead.

Specifications

Specification Details
Type MS polymer waterproof sealant
Size 9.8 fl oz cartridge
Coverage Up to 72 ft (0.16 in bead)
Recommended Use waterproofing, wet rooms, structural construction
Adhesion Properties Wood, metal, PVC, aluminum, brass
Chemical Resistance Diluted acids, alkalis, saline solutions, soapy water
UV Resistance High
Incompatible Surfaces Not suitable for rubber, EPDM, bitumen

GURU® W-S Sealant provides flexible bonding and waterproof sealing for tile systems and construction assemblies requiring moisture resistance and durable adhesion.

Guru Waterproofing Products

Frequently Asked Questions

Is this sealant compatible with GURU waterproofing systems?
Yes. GURU W-S Sealant is formulated for compatibility with GURU Water-Stop systems and works effectively within their waterproofing assemblies.
Can this sealant cure in wet environments?
Yes. GURU W-S Sealant cures rapidly in wet or humid conditions while maintaining flexibility and adhesion for long-term performance.
What materials will this sealant bond to?
GURU W-S Sealant adheres to wood, metal, PVC, aluminum, brass, and other common construction materials, making it suitable for a wide range of applications.
Free Shipping

On Qualifying Orders of $200 or More!

Need Help?

Contact Us

Top Brands

Offering 40+ Brands

Returns

30 Day Returns