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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

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General: Mould / fungicides

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  1.  
    • CommentAuthoralant
    • CommentTimeAug 23rd 2023
     
    Hi,
    Can anyone recommend any less toxic (to humans) treatments for timber? I used Borax years ago but can't seem to find it now. Our self build had water damage and the I joists have Black mould on which we want to treat before continuing.
    Cheers
  2.  
    https://www.restorationuk.com/timber-treatment-products/woodworm-rot-treatment/product/probor-10-boron-wood-preservative-liquid-25-litres

    not affiliated to this supplier, just what came on a Goggle search. we used something similar to treat woodworm-infested beams in our barn conversion, although we got it in powder form and then mixed it with water.
    Also various concontions available on eBay, try searching for Boron rather than Borax.
    • CommentAuthortony
    • CommentTimeAug 23rd 2023
     
    Could try vinegar or bleach, the spores are seriously toxic, don’t breathe them in. UV light is an alternative.
    • CommentAuthorrevor
    • CommentTimeAug 23rd 2023
     
    I would try Hydrogen peroxide 3% solution as it works you just get a lot of oxygen and water. The oxygen does the work. It was one of the chemicals used in the fumigation for Covid.It leaves no residue I had a problem of black fungal deposits on the woodwork in my polytunnel following an insect problem so got a fumigating unit (they are now quite cheap as little demand for them). I fumigated all my polythene covers and the timber slats I use to place plants on. I then left it to work for a few hours. I then scrubbed the timber and was amazed how clean they had become H2O2 is a bleaching agent. Issue that it does not keep well goes off better kept in the dark. You can get 12% solution on line or in a chemist it can be dangerous particularly at higher concentrations it with fuel fires but that is very difficult to buy. Having seen the effect I would give it a go.
    • CommentAuthoralant
    • CommentTimeAug 24th 2023
     
    Thanks for your comments folks. There is so much conflicting information on all theses products and suggestions that bleach and hydrogen peroxide work but only on non porous surfaces (not starchy spruce I joist flanges). They certainly sound more appealing from the point of being able to apply them more safely.
    On the other hand the boron gels and liquids seem to suggest not entering the building again for 48 hours after use, which is not ideal when you are building a house and have lots of fans trying to dry the place out.
    • CommentAuthorrevor
    • CommentTimeAug 24th 2023 edited
     
    I would try the H2O2 first it bleached my timbers. The ingredient is in mouth washes and sure you have heard the term "peroxide blonde".

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