Thompsons Water Seal Improved Formula is the latest water protection providing an invisible external weather barrier by penetrating deep into dry porous surfaces.
This improved version has been reformulated to last longer than previous solvent based waterproofers.
Thompsons Improved Formula Water Seal is quick drying, low odour and a milky colour that dries clear, it will provide years of effective water protection simply by adhering to the application instructions and coverage guidelines.
Suitable for use on: Brick, Stone, Pointing, Render, Concrete, Plaster and Wood.
Please also see Thompsons One Coat Water Seal Ultra, Barrettine solvent based Premier Water Seal , Thompsons One Coat Patio & Block Paving Seal or Everbuild 908 Bitumin DPM for alternative water protection treatments.
Also available: Thompson Damp Seal - Stain blocking protection for internal decoration.
Recoatable 2-3 hours
Brush or Roller applied
Coverage 4-5 SqMtrs per Litre per Coat
2 coats required
Clean equipment with Water
Thompsons Water Seal 5 litre Reviews
| UK Mainland|
2-3 Days 1
FREE - Orders over £40
| Express Delivery||Next Working Day 1||£4.95|
£2.50 - Orders over £40
| Premium AM||Mon-Fri Pre 12|
Mon-Fri Pre 10.30AM
| Premium Saturday ||Saturday 9:00-17:00 ||£9.95|
Scottish Highlands, Islands, Isle of Wight, Isle of Man
| Standard Delivery|| 3-4 Days|| £6.95|
| Northern Ireland|
| Standard Delivery||3-4 Days ||£9.95|
| Republic of Ireland and Channel Islands|
| Standard Delivery ||3-4 Days||£14.95|
1 Order online before 5pm Monday - Friday for same day dispatch.Highland Postcodes:
AB30-38, AB44-56, FK17-21, G83, IV (all), KW0-14, PH17-32, PH34-48
Aberdeenshire, Angus, Argyllshire, Ayrshire, Caithness, Highland, Invernes-shire, Perthshire, Ross-shire, Stirlingshire
BT (all), HS1-9, IM (all), KA27-28, KW15-99, PA20-99, PH33, PH49-99, PO30-41, ZE (all)
Northern Ireland, Republic of Ireland, Isle of Man, Isle of Wight, Channel Islands and Scottish Islands
Thompsons Water Seal 5 litre:
Application: Ensure the surface to be treated is clean and as dry as possible, application to a damp surface is possible; do not apply onto any previously painted or solvent based Water Seal treated surface.
Apply 2 coats with a good external brush such as Mako brush or roller.
The second coat should be applied within 1 hour of the first.
Coverage: Approximately 4 SqMtrs/Litre/Coat - depending on the porosity of the surface.
Drying Times: 2 hours – depending on the absorbency of the substrate.
Clean Equipment: with warm soapy water.Health and Safety Datasheet