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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.

PLEASE NOTE: A download link for Volume 1 will be sent to you by email and Volume 2 will be sent to you by post as a book.

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    • CommentAuthorjemhayward
    • CommentTimeNov 6th 2019 edited
    We discovered and renovated a medieval vaulted cellar under our house and have secured it from collapse, opened up and covered the light well with a glass panel in the garden, and have put down a limecrete screed over foamed glass and have two sumps with pumps. The floor is very much at the water table and any rain sets off the pumps quite regularly, and we get water ingress in the lightwell, and through the back wall. We have been running a dehumidifier 24/7 and it gets the humidity down to about 75%-80% - but runs constantly to do so. It's using a lot of electricity. As the cellar has been there (and must have regularly flooded) for 550yrs at around 100% humidity, I'm thinking that we should just let it be damp, and use the dehumidifier occasionally if we intend to spend any time down there - it functions as our occasional family dining space.

    Can anyone see any problems with this approach?
    • CommentTimeNov 6th 2019
    You may well get mould growing on surfaces down there, so be prepared to have to scrub it and air it before each use.

    Some forced ventilation may help to keep it in better condition?
    It has some forced ventilation already to try to minimise radon.

    I think we'll switch off and monitor.
    • CommentAuthortony
    • CommentTimeNov 6th 2019
    limewash walls, ventilation is needed , i like your approach
    • CommentTimeNov 6th 2019
    Posted By: tonylimewash walls, ventilation is needed , i like your approach

    Limewashing the walls is a good traditional way to reduce mould, but note that traditionally the walls are washed down every year and a new coat of limewash applied. Was certainly more maintenance than I wanted!
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