Seal cracks, joints, and gaps in concrete or masonry with Zinsser WATERTITE® Polyurethane Sealant. This 10.1 oz gray cartridge delivers a flexible, waterproof bond designed for both vertical and horizontal applications. Ideal for expansion joints, control joints, and exterior crack repairs, it’s the go-to polyurethane concrete sealant for professional-grade moisture protection and long-term durability.
Key Features
- Flexible Seal: Moves with surfaces – ideal for expansion and control joints
 - Superior Adhesion: Bonds to concrete, masonry, brick, and stone
 - Waterproof & Weatherproof: Excellent for outdoor use in all seasons
 - Fast Cure Formula: Tack-free in 2 hours and paintable in 7 days
 - Professional Grade: Perfect for sealing basements, retaining walls, and tilt-up panels
 
Specifications
| Specification | Details | 
|---|---|
| Product Name | Zinsser WATERTITE® Polyurethane Sealant | 
| Color | Gray | 
| Size | 10.1 oz Cartridge | 
| Application | Concrete & Masonry Cracks, Joints | 
| Cure Time | Tack-Free in 2 Hours | 
| Paintable | After 7 Days | 
Perfect for professionals and DIYers, this polyurethane masonry sealant ensures long-lasting, waterproof protection. Tackle your next concrete sealing job with confidence—order the Zinsser WATERTITE® Polyurethane Sealant today!
          
        
    
    
    
