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.
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- 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.
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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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