Ronseal
Ronseal Thompson's One Coat Roof Seal Black 5 litre 34750
Model 34750
Best price
Lowest we’ve seenWhere to buy
| Retailer | Price | Availability | Visit |
|---|---|---|---|
| Cheapestchecked an hour ago | £58.39 | In stock | Visit Blueperry agriculture (UK) (opens in a new tab) |
 retailer's price from 16 Jul 2026 | £65.29 | 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
Thompson's One Coat Roof Seal is formulated to provide long lasting waterproofing protection to flat roofs in a single application. It offers superior performance to conventional bitumen based treatments without the need for primers. It can be applied to damp surfaces and protects against light rainfall in minutes.
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