Rustins Wood Hardener for Rotted Wood 500ml - Repairs Rotted Timber | Fast-Acting Formula Reinforces Soft, Damaged Areas Before Filling or Painting

This stuff seems to work quite well: I had a window casement that the elements had started to deteriorate, and wanted to prolong its life until ready to fully replace it. After sanding and treating the wooden framing, I applied this using an old clean toothbrush. It's quite easy to apply but if you get it on your fingers it is horrible stuff to remove, so wear disposable gloves. Time will tell the extent to which it 'rescues' the window, but post application the wood itself seems strengthened and I am quietly optimistic.

A great product, however once applied this effectively in a varnished condition which means that you will need to sundown the surface or of course varnish the rest of the wood to meet the same finish. It does however seem to work well on the wood that has started to rot and has certainly strengthened it.

This is a thin resin type material. It reminds me of the liquid used for fibre-glass, or perhaps a thin version of PU glue. It's stinky and pretty horrible if you get it on your fingers. It's readily absorbed by wood, and the end effect is rather like painting it with yacht varnish, except it's rock hard in two hours. It sets like plastic so the surface is water repellent and tough. Looks like a varnish, so you may not need any finishing at all, or seems to be a good base for paint. All in all it's a fantastic product. This is the first time I have used it, it won't be the last. I had imagined this to be absorbed like a very thin liquid and to then convert all the soft wood to something really hard. That's not really what it does. Yes, there is some absorption, but not much. It forms a solid, yes, but only the top of the treated wood. So, I think the way to proceed is to thoroughly soak the wood with preservative, then when that's dry, hit it with this to form a water resistant surface that protects and provides a great key for filler. Highly recommended.

Works very well, used on an old wooden window frame outside, still as good as the day I did the repair..

The ability of this stuff to turn squishy, slimy, rotten wood into a rock-hard material is just extraordinary. It's saved me from from having to replace any amount of rotten wood around my house -- doors, window frames, flooring... If you haven't used it before, however, it's worth bearing in mind that what it leaves you with is not really 'wood' as we usually understand it: it's a kind of plastic composite. It will change the colour and texture of any wood that it comes into contact with, whether rotten or not. You'll have to be a bit careful, using it on wood that is highly visible. Expect to have to paint it, and expect that sanding it smooth will take some elbow-grease. I you apply this with a brush, you'll probably have to throw the brush away afterwards. I'm not sure what, if anything, can clean it off effectively. You don't want to get it on your skin and, of course, you really, really don't want it in your eyes. And it's not a filler: if the wood has been badly eroded by rot, you'll need to fill it afterwards, once the rot is gone. Also, it stinks. The Wickes brand is cheaper, and not as noxious; but the Rustins works better.

Seems to work well (although you have to use a whole lot for problem areas), but the cap is AWFUL. the seal broke, so I had to dig a hole with a screwdriver, and the 'pinch to open' cap won't open without a pair of pliers.

I used Rustins Wood Hardener for Rotted Wood (500 ml) on some areas of exterior timber that had started to soften due to rot. In terms of function, the product does what it is designed to do. It soaks into deteriorating wood fibres and helps stabilise them, leaving the timber noticeably firmer once it has cured. The liquid itself is very thin and penetrates well into soft wood, which makes it effective for consolidating damaged areas before filling or repairing. Application is straightforward with a brush, and it spreads easily over the affected timber. However, the biggest issue with this product is the very strong smell and fumes. The odour is extremely powerful and lingers for quite a long time after application. Even with good ventilation, the fumes are quite unpleasant and can quickly make an indoor environment uncomfortable to work in. Because of this, I would strongly recommend using it outdoors or in very well-ventilated areas only. If you do need to use it inside, proper ventilation and possibly a respirator would be sensible precautions. In summary, it is an effective wood hardener that does its job, but the fumes are significant and something buyers should be aware of before using it indoors.

Really goid product, literally does what it says on the tin. Used to restore an old storage crate which had been riddled by woodworm. Part of the wood was almost like paper where you could squish it by hand. This has hardened the wood to the point where it is now stable and no longer disintegrating. It has left a slight sheen to the wood , rather than shiny and darkened it slightly but the darker colour may be because this wood had been left untreated for so long. The easy was was to treat the entire lights of wood so it all looks the same. But as the crate is an old apple crate using different types and thicknesses of wood it blends in quite well. Would rather have it the way it looks now than in danger of falling apart and worried about moving it. Don't get me wrong I wouldn't lift it up by the treated piece as I dont think it would bear the weight. But it has definitely stabilised and strengthened the wood to an almost miraculous level. Very happy with this product and would definitely use/ buy again Follow the instructions, wear gloves and clothes you dont mind getting soiled. And if possible work outside as a very strong smell. If workung inside iluse in a well ventilated area as it has a very strong smell ( similar to turps or paint thinners).

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