Dowsil
Dowsil 781 Silicone Sealant White 310ml 3295231/C05
Model 3295231/C05
Best price
Lowest we’ve seenWhere to buy
| Retailer | Price | Availability | Visit |
|---|---|---|---|
| Cheapestchecked 3 hours ago | £9.26 | In stock | Visit Blueperry agriculture (UK) (opens in a new tab) |
 checked 4 hours ago | £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 supplied in a white 310ml cartridge, designed for glazing applications, weather sealing of sheet cladding and general internal sealing work. It is well suited to UPVC windows, white-painted surfaces and light-coloured cladding, giving a clean, colour-matched finish.
The sealant bonds well to a range of non-porous surfaces, including glass, aluminium, painted surfaces and composite boards, and resists ageing, shrinkage, cracking and discolouring over time. It has a working time of 5-10 minutes, a skin-over time of 14 minutes, and becomes tack-free within one hour, allowing steady progress on site. It conforms to ISO 11600-F&G-20LM and fits standard sealant guns.
Features and Benefits
- :
- White finish perfectly complements UPVC and light-coloured surfaces
- 310ml cartridge compatible with standard sealant guns
- Excellent resistance to yellowing maintains appearance
- One-part formulation for straightforward application
- 14-minute skin over time allows rapid job progression
- Conforms to ISO 11600-F&G-20LM standards Specifications: Colour: White Size (ml): 310
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