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Product Details

After the cause has been fixed, can be brushed straight onto the damp to stop it coming back through paint work. Provides a permanent block thereafter, which can be overpainted or papered. Can be recoated in 4 hours.

Technical Specification
Brand Ronseal
Colour by dominance White
Colour by dominance White
Unavailable offshore
Manufacture ID 36958
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 5 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 9pm Mon-Fri (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.
Ronseal One Coat Damp Seal Paint 2.5L White is rated 4.4 out of 5 by 16.
Rated 1 out of 5 by from Wouldnt use again Say you can paint over after 4 hours. I tried to but the matt emulsion i was using wouldnt cover it. Had to put 1 coat of matt emulsion and let it dry for 24 hours then put 3 coats on leaving for 4 hours between each coat
Date published: 2020-02-10
Rated 5 out of 5 by from Does what it says on the tin. Does what it says on the tin. Just what I needed. Excellent results.
Date published: 2019-10-04
Rated 1 out of 5 by from Sticky like treacle Used this paint to paint the interior of a concrete roof that had previously suffered with moisture issues prior to it being re-felted. The paint just stuck to the brush like treacle and would not spread at all, once I had finally painted the roof after about four hours which should’ve only taken half hour I took the brush and paint to the local recycling tip.
Date published: 2019-03-24
Rated 5 out of 5 by from Great product I bought this for a small damp problem and it gave great results easy to use and did the job
Date published: 2019-03-01
Rated 5 out of 5 by from Works well After painting an outbuilding with Masonary paint and it turning yellow because of damp I tried this stuff. What a result! No more yellow walls!
Date published: 2019-02-20
Rated 5 out of 5 by from damp seal purchased this for daughter moving in to damp house put it on the chimney breast in 2 rooms very good results left it for a week before papering over no sign of damp since but make sure you put plenty on the walls for best results
Date published: 2018-02-25
Rated 4 out of 5 by from Like painting with Treacle Probably better to use a firm roller or even brush. But very effective. Just be carefull to keep it even as will show through.
Date published: 2018-01-29
Rated 5 out of 5 by from great product a must Fantastic covers really thick and so far has done the job!! Can’t ask for more
Date published: 2018-01-01
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