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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.
Reviews
Thompsons 10 Year Roof Seal Black 4L is rated 4.7 out of 5 by 59.
Rated 4 out of 5 by from flat roof leak wanted something to paint onto a rubberised flat roof which was periodically letting water in read the reviews so bought it.used on a damp day but dried fairly quickly allowing for a second coat.easy to put on with a brush will wait n see if it has resolved the leak problem
Date published: 2019-08-15
Rated 5 out of 5 by from Great product easy ordering the night before on internet and great service in York. product works really well with easy application and sealed flat roof in an hour before being tested by a downpour and guess what? No more leaks. Brilliant stuff.
Date published: 2019-08-08
Rated 5 out of 5 by from Worth investing in Bought last autumn to rainproof an old corrugated asbestos roof. Lots of delamination, and some cracks in it. Gave a good coating .... watched below to see where penetration occurred - predictably mostly where cracks, but two or three other porous areas. Gave further attention to those areas. Succeded in rainproofing the roof all thro' winter. With the good weather here have given another coating - the old coatings showed no signs of wear or delamination... or separating/cracking where there are cracks in the asbestos beneath. This suggests that the material is able to flex as others may not. The additional application has been is just further insurance and investment in a product which does what it says on the tin - and more . Wholly recommended.
Date published: 2019-07-05
Rated 5 out of 5 by from Leaking shed roof Did the job perfectly on our leaking shed roof. Couldn't have been easier to apply
Date published: 2019-06-28
Rated 5 out of 5 by from Stops water penetration in its tracks on felt roof Used this before on a flat roof, had heavy rain for days and had found a way in as rain always does. After a dry spell, put this down and stopped any further water penetration. Used it again on a new property with a felt roof car port, goes on easily with a large brush which I always ditch after use as no way will you get it clean
Date published: 2019-06-18
Rated 5 out of 5 by from Thompson roof seal Easy to apply, sealed my concrete garage roof.
Date published: 2019-06-11
Rated 4 out of 5 by from Easy to apply Bought this product a month ago looks good when applied and goes further if brushed on hopefully will give my garage felt roof a longer life
Date published: 2019-06-02
Rated 5 out of 5 by from Good stuff I have used this to paint decking as nothing else i have used works well, including Cuprinol decking stains! This is non slip, water proof and seems to be very robust for walking on.
Date published: 2019-05-28
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