Dowsil 791 Weatherproofing Silicone Sealant
DOWSIL 791 is a single-component, neutral-curing, construction-grade silicone weatherproofing sealant designed for general glazing and weather sealing of curtain walls and building exteriors. It provides excellent weather resistance and joint movement capability (±50%), while integrating low-carbon sustainable technology to help achieve green building certification goals.
Dowsil 791 weatherproofing silicone sealant. Contact us via WhatsApp for pricing and stock availability.
| Specification | On request |
|---|---|
| Packaging | 300 ml / cartridge |
| Colour | White, grey, black, bronze |
| Coverage | See product PDF datasheet for details |
Applications
- Mainly for building exteriors, curtain walls, expansion joints, connection joints, perimeter joints, etc.
- Locations requiring weatherproof sealing
Advantages
- Neutral curing — suitable for coated glass, galvanised steel, copper, masonry and many other porous and non-porous substrates
- High movement capability — withstands ±50% movement of original joint width
- Excellent weather resistance — unaffected by sunlight, rain, snow, ozone or extreme temperatures
- No primer required — good adhesion to many building materials including Kynar-coated aluminium
- Meets international standards — including ASTM C-920, ISO 11600, GB/T 14683