Skip to content
We ship across Canada and USA. Call us at 1-877-383-2671
We ship to Canada + USA. Call us at 1-877-383-2671

Dowsil CWS - Contractors Weatherproofing Sealant White - 305ml

Dowsil CWS - Contractors Weatherproofing Sealant White - 305ml

Original price $14.95 Original price $14.95
Original price
$14.95 $14.95
Current price $14.95

There are currently extended lead times with this product. Please call us at 1-877-383-2671 before purchasing.

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.


  • 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.


  • 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