Ronseal
Ronseal Thompson's One Coat Stain Block Damp Seal 250ml 34577
Model 34577
Best price
Lowest we’ve seenWhere to buy
| Retailer | Price | Availability | Visit |
|---|---|---|---|
| Cheapestchecked an hour ago | £10.31 | In stock | Visit Blueperry agriculture (UK) (opens in a new tab) |
 retailer's price from 16 Jul 2026 | £12.51 | In stock | Visit Blueperry Tool & Builders Merchants (UK) (opens in a new tab) |
 checked 2 hours ago | £12.95£14.33 | In stock | Visit Tooled Up (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
A 250ml damp seal suited to smaller repair jobs and touch-ups, sealing and covering damp, water and other household stains in one coat. Its micro-porous formulation lets trapped moisture escape while permanently stopping stains from reappearing, and it can be applied directly to damp surfaces.
The one coat formulation allows the treated area to be decorated after 4 hours. Coverage is up to 7m²/L depending on the porosity of the substrate, with 4 hours needed between coats if more than one is applied. Supplied in a tin with a re-sealable lid for convenient storage.
Features and Benefits
- :
- 250ml size perfect for small repairs and touch-ups
- One coat coverage for time efficiency
- Micro-porous formulation allows moisture to escape
- Ready to decorate in 4 hours
- Permanently seals damp and water stains
- Re-sealable tin for easy storage Specifications: Seal Type: Damp Seal Colour: White Size (ml): 250 Application: Paint
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