Dowsil
Dowsil 781 Silicone Sealant Black 310ml 3295257/C05
Model 3295257/C05
Best price
Lowest we’ve seenWhere to buy
| Retailer | Price | Availability | Visit |
|---|---|---|---|
| Cheapestchecked yesterday | £9.26 | In stock | Visit Blueperry agriculture (UK) (opens in a new tab) |
 checked within the hour | £10.95£12.86 | In stock | Visit Tooled Up (opens in a new tab) |
 retailer's price from 16 Jul 2026 | £11.30 | In stock | Visit Blueperry Tool & Builders Merchants (UK) (opens in a new tab) |
Prices exclude delivery. We may earn a commission if you buy through these links, which never affects the ranking above — it is always cheapest first.
Price history
Full price historyThis is the lowest price we have recorded. If you were waiting for a drop, this is it.
About this product
Dowsil 781 is a one-part silicone sealant in black, supplied in a 310ml cartridge for use with standard sealant guns. It offers excellent adhesion to non-porous surfaces such as glass, aluminium, painted surfaces and composite boards, making it suitable for glazing applications, weather sealing of sheet cladding, and general internal sealing.
The black finish suits dark-coloured glazing systems, powder-coated aluminium and modern cladding, with good resistance to ageing, shrinkage, cracking and discolouring. Working time is 5-10 minutes, skin over time is 14 minutes, and it is tack-free within one hour. It conforms to ISO 11600-F&G-20LM.
Features and Benefits
- :
- Black finish perfectly complements modern architectural glazing
- 310ml cartridge compatible with standard sealant guns
- Excellent colour stability prevents fading and greying
- One-part formulation for convenient application
- 14-minute skin over time enables efficient job completion
- Conforms to ISO 11600-F&G-20LM standards Specifications: Colour: Black Size (ml): 310
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