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Zinsser WATERTITE Polyurethane Sealant

Zinsser WaterTite Polyurethane Sealant is a single-component, moisture-cured polyurethane designed for sealing deep cracks, holes, and moving joints. It bonds to concrete, masonry, stucco, and other common structural surfaces. The sealant remains flexible over time and provides long-term waterproofing performance.

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Save $1.58 Save $1.58
Original price $9.59
Original price $9.59 - Original price $9.59
Original price $9.59
Current price $8.01
$8.01 - $8.01
Current price $8.01
Availability:
48 in stock!
SKU ZIN-WATERTITE-POLY-SEALANT-5091

Free Shipping On Most Orders $200 or More!

Description

Zinsser WaterTite Polyurethane Sealant is a low-modulus, single-component, moisture-cured polyurethane formulated for sealing deep cracks, holes, and dynamically moving joints. It is suitable for expansion and control joints, concrete panel joints, tilt-up construction, curtain wall joints, and perimeter sealing around windows, doors, and panels. The sealant adheres to concrete block, cast-in-place concrete, stucco, exposed aggregate, tilt-up panel surfaces, and masonry.

Key Features

  • Moisture-Cured Polyurethane: Single-component formula designed for structural and architectural joints.
  • Flexible Joint Filler: Maintains long-term flexibility for moving or shifting joints.
  • Strong Adhesion: Bonds well to concrete, masonry, stucco, and other compatible surfaces.
  • Deep Crack Capability: Suitable for filling structural cracks and cavities.
  • Waterproofing Performance: Provides a moisture-resistant seal for interior and exterior applications.
  • Broad Application Range: Usable on walls, joints, panels, fountains, planters, retaining walls, and more.

Specifications

Specification Details
Product Type Single-component polyurethane sealant
Cure Mechanism Moisture-cured
Modulus Low modulus
Applications Expansion joints, control joints, concrete panel joints, perimeter sealing
Surface Compatibility Concrete, masonry, stucco, exposed aggregate, tilt-up, block

Zinsser WaterTite Polyurethane Sealant is suited for structural, architectural, and waterproofing applications where flexibility, adhesion, and moisture resistance are required.

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Frequently Asked Questions

What surfaces can this sealant be used on?
Zinsser WaterTite Polyurethane Sealant bonds to concrete block, cast-in-place concrete, stucco, tilt-up surfaces, exposed aggregate, and other masonry substrates.
Is this sealant suitable for moving joints?
Yes. Zinsser WaterTite Polyurethane Sealant is a low-modulus formula designed for expansion joints, control joints, panel joints, and other dynamically moving areas.
Can this sealant fill deep cracks or holes?
Yes. Zinsser WaterTite Polyurethane Sealant is formulated to fill deep structural cracks and cavities while maintaining long-term flexibility and adhesion.
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