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.
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- 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.
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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