COVID-19 Update

Due to the current COVID-19 pandemic, we are currently not taking any orders on our website.

Please check our Facebook page for further details

Thank you!

Water Seal

Product code: N/A
Llandudno Stock: 9 Ruthin Stock: 9
Llandudno Junction No StockNo Stock
Ruthin No StockNo Stock
Ex. VAT
Inc. VAT

Thompson's Water Seal uses a unique micro silicone emulsion to stop water penetration. Apply Water Seal directly onto damp surfaces to provide long lasting waterproof protection within hours.

  • Apply directly to damp surfaces
  • Stops freeze thaw damage
  • Use on brick, concrete and stone






Click and Collect is available at both depots, free of charge on all orders.

Local delivery can be made to the majority of North Wales at a cost of £10 +VAT, free of charge for orders over £50. You will be asked for your postcode before checkout to see if delivery is available to your location.

Returns can be made in person to either of our branches, Llandudno Junction or Ruthin.

For any more information, please have a look at our Delivery and Returns sections.