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🛡️ Save your wood, save your space — don’t let rot win!
Ronseal Wet Rot Wood Hardener 500ml is a quick-drying, clear wood treatment that penetrates and hardens rotten wood, providing a durable base for repairs. Suitable for indoor and outdoor use, it covers up to 2 square meters per bottle and dries in just two hours, making it the go-to solution for restoring doors, windows, and frames without costly replacements.


| ASIN | B001GU2G6Y |
| Base Material | Wood |
| Best Sellers Rank | 940 in DIY & Tools ( See Top 100 in DIY & Tools ) 8 in Wood Fill 76 in Hand Tools (DIY & Tools) |
| Brand | Ronseal |
| Coating Description | Clear, binding, quick-drying coating for wood surfaces |
| Colour | Red |
| Compatible Material | Wood |
| Container Type | Tin |
| Coverage | covers up to 2 sq. meters per 500ml |
| Customer Reviews | 4.6 out of 5 stars 1,848 Reviews |
| Finish | Matte |
| Global Trade Identification Number | 05010214538713 |
| Included Components | 1 x Ronseal Wet Rot Wood Hardener 500ml |
| Item Dimensions | 10 x 4 x 15 centimetres |
| Item Weight | 114 Grams |
| Liquid Volume | 500 Millilitres |
| Manufacturer | Ronseal |
| Material | Wood |
| Model Name | 32042 |
| Model Number | 32042 |
| Model name | 32042 |
| Number of Items | 3 |
| Part Number | 32042 |
| Recommended Uses For Product | Interior and Exterior Wood |
| Size | 500ml |
| Special Features | Quick Drying |
| Surface Recommendation | Wood |
| Surface recommendation | Wood |
| UPC | 790295574477 |
| Unit Count | 500.0 millilitre |
L**6
good hardener
works exactly as described
P**A
This product does work very well
This is a good product that does work would use this product again
R**D
Ronseal
A good hardener
R**R
recommended but read the instructions first.
It arrived on time, well-packed. Having used this hardener before on wood in an Olen property, I know it is easy to use and affective. It supports any wood affected by water ingress which can then have wood filler (or something similar) applied. Well worth the small investment.
J**S
It works!
Literally does what it says on the tin. Applied to the soft wood areas with a brush. Consistency is thin, smells great. Left it over night and checked it this morning. Solid and hard, ready for ronseal wood filler
A**S
Good product
Good product does exactly what’s it says
T**Z
Useful for caravan floor repairs
I am a very proud caravan owner and I like to do my own patching up whenever I can. During a recent maintenence, I noticed that on one of the corners, underneath the caravan, the wood has got a bit spongy and I was thinking about repairing it by removing part of the floor and replacing it. I came across wet rot hardener and decided to give it a go, as it would save me a lot of work. Having carefully applied it, I was relly happy to discover that the wood has hardened to the point where I was able to paint over it and no longer worry about it. Recommended.
T**N
They leave out the warnings
They leave out the warnings on the listing about the harmful fumes, how you need to call poison control if you breath in the fumes and how it can irritate your eyes, throat so this nasty product is getting binned.contains High concentrations of Acetone
C**A
La mejor marca
Ronseal es la mejor marca. El producto es buenísimo para secar y reparar madera o MDF dañado por la humedad
E**R
Does what it says
Used on a rotten water damaged campervan floor ,really does toughen up wet rot damaged wood and stops further spread ,I used quality wood filler and fibreglass to rebuild the damage ,good product so I bought a extra one to keep in storage
A**S
Alten Möbeln ein zweites Leben geschenkt – überzeugt auf ganzer Linie
Ich habe den Holzhärter verwendet, um die stark angegriffenen und bereits angegammelten Füße eines alten Schranks meiner Oma zu retten – und das Ergebnis hat mich wirklich überzeugt. Das Holz war weich, bröselig und an einigen Stellen schon deutlich beschädigt. Nach dem Auftragen des Holzhärters hat sich die Struktur spürbar stabilisiert. Das Mittel zieht gut ein, verfestigt das Holz nachhaltig und schafft eine solide Basis für weitere Arbeiten wie Schleifen, Spachteln oder Lackieren. Besonders positiv ist mir aufgefallen, dass sich das Produkt gut verarbeiten lässt. Es lässt sich gezielt auftragen, verläuft ausreichend, ohne komplett unkontrolliert wegzulaufen, und zieht tief ins Holz ein. Nach dem Aushärten war die behandelte Stelle deutlich robuster und wieder belastbar. Natürlich sollte man beachten, dass es sich hier nicht um ein Wundermittel handelt, das komplett zerstörtes Holz ersetzt – aber zur Stabilisierung und Rettung angegriffener Bereiche ist es ideal geeignet. Für mich hat sich der Einsatz absolut gelohnt: Der Schrank konnte erhalten werden und steht jetzt wieder stabil. Wer alte Möbel restaurieren oder zumindest retten möchte, findet hier ein sehr hilfreiches Produkt. Wird bei mir definitiv wieder zum Einsatz kommen.
C**N
Ottimo funziona benissimo
Ottimo funziona benissimo
C**N
Consolidante per legno degradato
Mi sembra un buon prodotto, molto penetrante, non ho ancora visto i risultati finali, ma mi sembra buono
Trustpilot
1 month ago
2 weeks ago