Dow Corning® Contractors Weatherproofing Sealant

Product # SACWSGSG

Medium-modulus silicone joint sealant

Dow Corning ® Contractors Weatherproofing Sealant (CWS) is a one-part, moisture cure, medium modulus sealant that provides durable, flexible, watertight joints and offers outstanding unprimed adhesion to most nonporous substrates.
It is specifically developed for sealing dynamically moving joints.
The sealant 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.

Dow Corning Contractors Weatherproofing Sealant meets or exceeds the requirements of:
- ASTM C 920, Type S, Grade NS, Class 35, Use NT, M, A, and O (granite).
Finish/Color: Gray Black Black Bronze Bronze Satin Aluminum Satin Aluminum White White Volume: 591 ml Packaging Specifications: Sausage Modify Options
Product # Finish/Color Volume Packaging Specifications
SACWSGSG Gray 591 ml Sausage
SACWSBL Black 305 ml Plastic Cartridge
SACWSBLSG Black 591 ml Sausage
SACWSBR Bronze 305 ml Plastic Cartridge
SACWSBRSG Bronze 591 ml Sausage
SACWSASG Satin Aluminum 591 ml Sausage
SACWSW White 305 ml Plastic Cartridge
SACWSWSG White 591 ml Sausage

ADVANTAGES AND BENEFITS

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

TECHNICAL SPECIFICATIONS

Product #
SACWSGSG
Brand
Dow Corning
Base
100% RTV Silicone
Optimal Adherence to
Masonry, Concrete
Features
Neutral Cure
Recommended Use
Expansion Joints, Aluminum Windows, Wood Windows, Curtain-Window Wall Systems, Vinyl/PVC Windows
Tack-Free / Skin Over Time
3 to 6 hours
Tooling Time
Immediately tool the sealant
VOC Concentration (EPA Method 24)
35 grams per liter

APPLICATION

Sealing dynamically moving joints such as expansion and control joints, concrete panel joints, tilt-up panel joints, curtainwall joints, perimeter caulking (windows, doors, panels, EIFS, bedding of mullions, panels, and frames, etc.).

IMPORTANT INFORMATION

This product is neither tested nor represented as suitable for medical or pharmaceutical uses.
Dow Corning Contractors Weatherproofing Sealant is not recommended for:
* Silicone structural glazing
* Application in confined areas without proper ventilation
* Joints under constant water submersion