Dowsil 791 Silicone Sealant, Grey, 310ml, Weatherproof
High-performance weatherproof silicone sealant with UV and temperature resistance. Fast-setting for professional use.
The Dowsil 791 Silicone Sealant is a high-performance, one-part neutral silicone designed for superior weather sealing in both commercial and domestic applications. It offers exceptional adhesion to a wide range of exterior substrates, ensuring long-lasting protection against the elements. Its advanced formulation provides excellent resistance to ozone, UV radiation, and extreme temperatures, making it ideal for demanding environments.
This sealant forms a tack-free surface in just 45 minutes and skins over in 20 minutes, allowing for efficient application and quick project turnaround. It complies with ISO 11600-25LM and meets ISO 9047 Class 50 specifications, guaranteeing reliability and performance in professional settings.
Key Features:
- Weatherproof: Resists UV rays, ozone, and extreme temperatures.
- Fast-Setting: Tack-free in 45 minutes, skin-over in 20 minutes.
- Strong Adhesion: Bonds effectively to most exterior substrates.
- Certified: Meets ISO 11600-25LM and ISO 9047 Class 50 standards.
Perfect for sealing joints in windows, doors, roofs, and other exterior structures, the Dowsil 791 ensures durability and flexibility in all weather conditions.
- Commercial weather sealing
- Domestic weatherproofing
- Window and door sealing
- Roof and gutter applications
- Type: One-part neutral silicone
- Colour: Grey
- Volume: 310ml
- Skin-over time: 20 minutes
- Tack-free time: 45 minutes
- Standards: ISO 11600-25LM, ISO 9047 Class 50
- Weathering: UV, ozone, and temperature resistant
- Weight: 532g
Hazard information
P271
Use only outdoors or in a well-ventilated area.
EUH208
Contains gum turpentine. May produce an allergic reaction.
Documents
Always follow local regulations and product guidance.
Free standard delivery on UK mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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