Dowsil CWS - Contractors Weatherproofing Sealant Black - 305ml

A one-part, moisture cure, medium modulus sealant that provides durable, flexible, watertight joints and offers outstanding unprimed adhesion to most non-porous substrates. It is specifically developed for sealing dynamically moving joints.

Uses:

• Dynamically moving joints such as expansion and control joints
• Concrete panel joints
• Tilt-up panel joints
• Curtainwall joints
• Frame-to-structure and perimeter caulking of windows, doors, panels, EIFS, bedding of mullions, panels and frames, etc.

Benefits:

• Primerless on EIFS and most common nonporous building substrates, including glass and aluminum
• Balanced adhesive strength, medium modulus and high recovery
• Excellent all-weather gunnability and performance
• Extension/compression capability of ±25 to ±40 percent
• 5 Year Weatherseal Limited Warranty