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Product Details

For repairing and weatherproofing a variety of roof materials including felt, asphalt, slate, tiles, concrete, brick and corrugated metal. Coverage approx 0.5m2 per litre.

Technical Specification
Brand Thompsons
Colour by dominance Black
Manufacture ID 30146
Safety Data Sheet click here
Delivery details
Order value: Under £10 £10 & over
Express usually Next Business Day before 6pm £5 Free
Turbo usually Next Business Day before 12 noon £10 £5
Remote areas standard delivery (2-4 days) £5 Free
Order Value: Under £25 Over £25 but less than £75 £75 & Over
£10 £5 Free

Please note items delivered by our suppliers are not available for the options above. Delivery times may vary.

More about Delivery & Returns
Click & Collect details
If you are using our Click & Collect service please note the following:
  • Order online or over the phone and collect in branch from 10 minutes later.
  • Ensure you check stock is available for collection at your chosen branch.
  • Check branch opening hours to ensure you have sufficient time to collect.
  • For items not available for same day collection, place order before 8pm Mon-Sat (4pm Sun) and you can collect Next Business Day (Mon-Fri) after 3pm.
  • If we have your mobile number, we’ll send you a text when your order is ready to collect.
Thompsons 10 Year Roof Seal Black 4L is rated 4.8 out of 5 by 44.
Rated 3 out of 5 by from Haven't tried it yet Bought this recently. The tin arrived bashed at the bottom although the packaging wasn't damaged so it must have been packed that way. I haven't tried the paint yet but bought it based on the reviews I read.
Date published: 2019-03-20
Rated 5 out of 5 by from Fixed leaking roof Had a leak in a flat roof, put one coat of this on and seems to have fixed it. Will put a second coat on just to be sure. Very easy to apply and clean up afterwards as water based. Much cheaper than a new roof!
Date published: 2019-03-13
Rated 5 out of 5 by from Give it a go garage roof leaking. looked about, Give it a go, Great stuff stopped the leaks need to buy some more.
Date published: 2018-10-30
Rated 5 out of 5 by from Great stuff It’s great did a garage food with it, but make sure preparation is done ie clean and dry then it works great, I have used it when the roof is damp as it says you can but found it doesn’t adhere as well but great product
Date published: 2018-10-19
Rated 5 out of 5 by from Good stuff I applied this last weekend and after the heavy rain we have had the past couple of days, my shed roof is no longer leaking. Easy to apply.
Date published: 2018-10-14
Rated 3 out of 5 by from Good product, works well. Shoddy service. 4Litre tin was dented causing lid to lift, was delivered in a plastic bag with a hand tied knot to stop the paint leaking through to the cardboard. Nasty mess to clean up before I even used it. Damage looked like it was done BEFORE it was packed, with no visible damage to the box. Hmmm, did they send me a damaged item with half a pint missing? I wonder . . . . .
Date published: 2018-09-24
Rated 5 out of 5 by from Excellent product! Better than bitumen products. Applied 2 layers, no leaks. It's BLACK when dry.
Date published: 2018-09-21
Rated 5 out of 5 by from Great buy Having a small flat roof from the mid 1950` which started leeking in a couple of places, I thought that I would try a minor repair and coat it with this before paying out for a replacement roof. Completly satisfied with the outcome, the bonus is it paints on grey and changes to black, making a second coat very easy.
Date published: 2018-09-13
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