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Product Details

Penetrates deep, and hardens decaying wood to give a solid base for wood filling. For interior and exterior use.

Technical Specification
Brand Ronseal
Unavailable offshore
Manufacture ID 32042
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 Wet Rot Wood Hardener 500ml is rated 4.8 out of 5 by 41.
Rated 5 out of 5 by from As it says on the tin... Goes on easily, and dries fast and hard. Time will tell as to how tough it is, but a good start.
Date published: 2019-11-17
Rated 5 out of 5 by from It works! I first used this product while repairing a wooden window frame at my fathers house in 1975 and was very pleased with the results - saved replacing the whole frame. I have since used it many times on my own house for similar tasks and also for repairing garden furniture, all with great results.
Date published: 2019-11-03
Rated 5 out of 5 by from Ronseal Wood Roy hardener Used this for the first time and it looks as though this will do the trick.Time will tell.
Date published: 2019-10-22
Rated 5 out of 5 by from A rare thing nowadays A rare thing.It does exactly what they say it does.
Date published: 2019-09-09
Rated 5 out of 5 by from Works like magic Works like magic honestly it feels like youre just painting water on it but once it is set the wood is rock hard and you can fill/rebuild/repair. Great stuff
Date published: 2019-08-30
Rated 1 out of 5 by from wood filler product is difficult to mix and an expensive filler which would not harden after use
Date published: 2019-08-06
Rated 4 out of 5 by from It’s all being used abroad Effective treatment for damp affected wood. I’ve used it for many years on external wooden shutters.
Date published: 2019-06-22
Rated 5 out of 5 by from Ronseal Wet Rot Wood Hardener 500ml It does exactly what it says on the tin! Excellent provided its used with Ronseal's Filler
Date published: 2019-06-05
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