3300® Professional Grade Polyurethane Sealant

The 3300® Professional Grade Polyurethane Sealant is a high-performance, one-component sealant engineered for demanding construction and industrial applications. Designed to provide superior adhesion, flexibility, and long-lasting weather resistance, this sealant is the go-to choice for professionals who require a dependable solution for sealing, bonding, and waterproofing.

Comes in a 10.1 oz tube

Key Features & Benefits

• Professional Strength Adhesion – Bonds permanently to concrete, masonry, wood, metal, brick, stone, and most construction materials.

• Excellent Flexibility – Expands and contracts with joint movement, reducing the risk of cracks and separation.

• Weather & UV Resistant – Maintains performance under extreme weather conditions, including rain, snow, and direct sunlight.

• Paintable & Sandable – Provides a smooth, professional finish that can be painted over for seamless integration.

• Durable & Long-Lasting – Resistant to aging, shrinkage, and yellowing, ensuring a strong seal for years.

Recommended Applications

• Expansion joints and control joints in concrete and masonry

• Window and door frame sealing

• Roofing, flashing, and siding applications

• Precast concrete and curtain wall construction

• General construction and industrial sealing