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DOW
DOWSIL™ Contractors Weatherproofing Sealant - 20 Oz. Sausage
QXO product C-549630 · 12 options
Explore the colors
Selected: Anodized Aluminum
QXO SKU 549667 · Product number DOWCWSAASA
Free, no-obligation quote. Our team confirms local availability, required quantities, compatible components, and installation pricing.
Selected option specifications
- UOM
- UNI|SGE
- Item Weight
- 1.8
- Algae Resistance
- No
- Applicable Standards
- ASTM C920, Type S, Grade NS, Class 35, Use NT, M, A, and O
About this product
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.



