DOWSIL CWS

Data Sheet

Overview

Overview

DOWSIL Contractors Weatherproofing Sealant is primerless on most common nonporous building substrates. This unique weather-resistant formulation possesses a balanced adhesive strength, medium modulus, and high recovery, making it ideal to withstand
adverse conditions in common installations including moisture, movement, sheer, and de-flection. It is easily gunnable in all weather conditions from -29 to 49°C (-20 to 120°F). Because it requires no mixing and a smaller joint ratio, it is an economical, high-performance alternative to other sealant options with a ±40 percent movement capability.

Features:

  • Primerless on most common nonporous building substrates
  • Balanced adhesive strength, medium modulus, and high recovery
  • Easily gunnable in all weather conditions

Specifications

Specifications

DOWSIL Contractors Weatherproofing Sealant meets or exceeds the requirements of the following specifications:

  • ASTM C 920, Type S, Grade NS, Class 35, Use NT, M, A, and O (granite)
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