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Thompsons Stain Block Damp Seal 2.5l White
Home Delivery
Order by 1pm for next working day delivery
Click & Collect
Order by 7pm (4pm Saturday & Sunday) for next day
A high performance seal for sealing and covering damp, water and other household stains in one coat. The micro-porous formulation allows trapped moisture to escape. Can be applied directly to damp surfaces and permanently stops the reappearance of stains. The one coat formulation allows the surface to be decorated in 4 hours.
Click & Collect
Please bring your order confirmation to the shop.
Opening Hours:
Monday to Saturday: 8:00 a.m. - 5:30 p.m. Sunday: 10:00 a.m. - 4:00 p.m.
Local Delivery (Postcodes L4, L5, L9, L10, L11, L20, L21, L22, L23, L29, L30, L31, L37, L38)
£3.95. Free delivery on orders over £25
Standard Delivery
£5.95. Free delivery on orders over £100
£6.95. Scottish Lowlands postcodes DG, E, EH, FK, G, KA1-26, KA29-30, ML, PA1-19, TD
Some heavy, large and/or fragile items are available for Local Delivery or Click & Collect only.
UK Highlands, Islands & Remote Areas - Please email for a quote. (See delivery page for full list of postcodes).
Unfortunately we are unable to deliver to BF (British Forces) Postcodes and BT Postcodes
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Click & Collect
Choose your own collection date on 1,000’s of products
Free Delivery over £100!
Applies only to standard orders and excludes large & Bulk deliveries
28 Day Returns Policy
Not happy? Simply fill out our returns form & send back to the store for a refund.
