Dowsil 791 Silicone Sealant, Brown, 310ml
High-performance Dowsil 791 brown silicone sealant for weatherproofing, with UV and temperature resistance. 310ml cartridge.
The Dowsil 791 Silicone Sealant is a high-performance, one-part neutral silicone designed for weather sealing in both commercial and domestic applications. It offers excellent adhesion to most exterior substrates, ensuring a durable and long-lasting seal.
This sealant features outstanding weathering characteristics, including resistance to ozone, UV radiation, and extreme temperatures. Its quick-setting formula achieves skin-over in just 20 minutes and becomes tack-free within 45 minutes, allowing for efficient project completion.
Certifications & Standards
- Conforms to ISO 11600-25LM
- Meets ISO 9047 Class 50 specification
Whether you're sealing windows, doors, or other exterior surfaces, the Dowsil 791 Silicone Sealant provides reliable protection against the elements while maintaining a professional finish.
- Shipped within 0-2 business days
- Shipping to United States: 3-5 business days*
- Free Shipping Included
- Commercial weather sealing applications
- Domestic weather sealing applications
- Exterior sealing for windows and doors
- Construction joints and gaps
- Type: One-part neutral silicone
- Colour: Brown
- Volume: 310ml
- Skin-over time: 20 minutes
- Tack-free time: 45 minutes
- Weather resistance: UV, ozone, extreme temperatures
- Adhesion: Excellent on most exterior substrates
- Standards: ISO 11600-25LM, ISO 9047 Class 50
- Weight: 541g
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 US mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For defective items, contact us within 14 days for a replacement or refund.
View Full Delivery & Returns PolicySecure Transactions
We take the utmost care with your payment and personal details. Our website uses advanced encryption technology, including Secure Sockets Layer (SSL), to protect your information during transmission. You can verify a secure connection by looking for 'https' and a locked padlock in your browser.
Cookie Policy
Cookies enhance your shopping experience by keeping track of your cart and remembering you when you return. We also use banner advertising based on your browsing history to present products of potential interest.
Security Warning
Beware of phishing scams! We will never ask for personal details via email. If such information is required, we'll ask you to contact us by phone. If you receive an email requesting sensitive information, do not respond and let us know immediately.
You might like
