Dowsil 781 Silicone Sealant, Clear, 310ml
Premium Dowsil 781 clear silicone sealant for glazing, weather sealing & potable water use. ISO-compliant & WRAS-approved.
The Dowsil 781 Silicone Sealant is a premium one-part sealant renowned for its exceptional adhesion to non-porous surfaces such as glass, aluminium, painted surfaces, and composite boards. Its advanced formulation ensures excellent resistance to ageing, shrinkage, cracking, and discolouring, making it an ideal choice for long-lasting durability in various sealing applications.
This sealant is perfect for glazing, weather sealing of sheet cladding, and general internal sealing tasks. With a tack-free time of one hour and a working time of 5–10 minutes, it offers ease of application without compromising performance. The skin-over time is just 14 minutes, ensuring swift project progress.
Key Features
- Versatile adhesion to diverse non-porous materials.
- Durable performance with resistance to environmental wear.
- WRAS approved for safe use in contact with potable water once cured.
- Complies with ISO 11600-F&G-20LM standards for sealant quality.
Designed for professionals and DIY enthusiasts alike, the Dowsil 781 Silicone Sealant in clear finish delivers reliable sealing in demanding conditions, ensuring long-term protection and aesthetics.
- Glazing applications
- Weather sealing of sheet cladding
- General internal sealing applications
- Type: One-part silicone sealant
- Colour: Clear
- Size: 310ml
- Adhesion Surfaces: Glass, aluminium, painted surfaces, composite boards
- Working Time: 5–10 minutes
- Tack-Free Time: 1 hour
- Skin-Over Time: 14 minutes
- Resistance: Ageing, shrinkage, cracking, discolouring
- Certifications: WRAS approved for potable water use once cured
- Standards: ISO 11600-F&G-20LM compliant
- Weight: 364g
Documents
Always follow local regulations and product guidance. Use appropriate PPE.
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.
