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🛡️ Seal smart, seal fast—weatherproof your world with Dowsil 791!
Dowsil 791 Silicone Sealant Grey 310ml is a one-part, neutral cure silicone designed for superior adhesion and flexibility across a wide range of exterior materials. It offers rapid skinning in 20 minutes and becomes tack-free in 30, with exceptional resistance to UV, ozone, and temperature extremes, making it ideal for both commercial and domestic weatherproofing applications.
| ASIN | B07XWMVKSZ |
| Best Sellers Rank | 36,285 in DIY & Tools ( See Top 100 in DIY & Tools ) 607 in Sealers |
| Brand | Dowsil |
| Colour | Grey |
| Compatible Material | Brass, Polyvinyl Chloride (PVC), Aluminum, Ceramic, Copper, Glass, Porcelain, Marble, Leather, Alloy Steel, Engineered Wood, Plastic, Stainless Steel, Vinyl, Metal, Fiberglass, Wood, Rubber |
| Country Of Origin | Belgium |
| Customer Reviews | 4.6 out of 5 stars 15 Reviews |
| EU Spare Part Availability Duration | 1 Years |
| Included Components | 791 Silicone Sealant Grey 310ml |
| Item Dimensions | 22.9 x 4.8 x 4.8 centimetres |
| Item Form | Liquid |
| Item Highlight | UV, ozone and temperature resistant with excellent adhesion; skins in 20 mins, tack-free in 45 mins |
| Item Weight | 0.45 Kilograms |
| Item dimensions L x W x H | 22.9 x 4.8 x 4.8 centimetres |
| Item weight | 0.45 Kilograms |
| Manufacturer | Dowsil |
| Manufacturer Part Number | DOW4024909 |
| Material | Silicone |
| Model Number | DOW4024909 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Style | Compact |
| Style Name | Compact |
| Supported Standards | RM |
| Surface Recommendation | Roof |
| Unit Count | 1.0 count |
| Water Resistance Level | Water Resistant |
| Water resistance level | Water Resistant |
M**T
Sealant
excellent product exactly what was ordered highly recommend Have purchased again
J**W
Did what I hoped
Used this to seal the walls of a concrete panel garage to the concrete base. Was easy to apply and filled the gaps. Quite hard to push into the gaps and then smooth as its very sticky, needs a wet finger to help a bit As proof of use - in the very heavy rain in the UK late September I had standing water outside the garage but the inside was dry so a success - would use again
A**R
The best sealant to seal bait boats up with
This is by far the best sealant to seal up bait boat hulls. It dries quick, easy to work with, smooths great with the help of soapy water, its not too thick so you dont have to struggle pumping it out with the gun. Nice rich dark black semi-gloss colour, blend in well with black gloss abs. Good value for money as 1 tube will do most boats that require sealing (microcat/technicat).
M**N
Top notch
Dow, always good and never had a problem with any of their sealers and silicones. I won’t buy any other brand.
C**S
Looks good for years. Highly recommend this make.
I’ve used this make for many years now, wouldn’t use another make anymore. Looks good for years. Highly recommended
Trustpilot
1 month ago
2 days ago