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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.

Buy individually or both books together. Delivery is free!

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    • CommentAuthormarsaday
    • CommentTimeJan 11th 2018
    Thistle PureFinish

    Has anyone used thistles pure plaster. It is supposed to suck up impurities in the air, so the air quality is higher in a room plastered with this stuff. Same as skim finish. This is some marketing stuff on it:

    To provide a plaster skim finish with ACTIVair technology Used to finish most common backgrounds including undercoat plasters and plasterboard.

    A finish plaster with ACTIVair technology. Can be used to finish most common backgrounds including undercoat plasters and plasterboard. Suitable for application by hand or mechanical plastering machines. Coverage based on 2mm thickness. Supplied in full pallets only on non-returnable wooden pallets. Nominal pack weight 25kg bags. Conforms to EN 13279-1.
    • CommentTimeJan 12th 2018
    Posted By: marsadayIt is supposed to suck up impurities in the air
    Compared to what? No plaster, lime plaster, normal plaster, cement render.
    I could describe my car as both a life saver and a killing machine :wink:
    Even if it 'sucks up impurities' what happens when it is saturated and how long will that take?
    • CommentAuthorMike1
    • CommentTimeJan 12th 2018 edited
    Looks like it only addresses 1 impurity:

    "ACTIVair is our latest technology designed specifically to convert formaldehyde, a common VOC, into non-harmful inert compounds, removing 70% of the formaldehyde concentration in the indoor air. This clever technology continues to work over 50 years, and whilst alternative solutions absorb formaldehyde, they don’t decompose like ACTIVair risking re-emission at a later date."

    Terms and conditions apply: "Formaldehyde reduction is based on experimental data following ISO16000-23 standards from 0.4m2 to 1.4m2 installed/ m3 room. Lifetime is based on a calculation assuming constant Formaldehyde reduction with indoor formaldehyde concentration of 25µg/m3 for ceiling, drywall or combined drywall and ceiling configurations."

    Apparently also in Rigidur H plasterboards, Rigitone and Gyptone ceiling products, and accredited by the Eurofins laboratory.

    More: http://www.british-gypsum.com/about-us/activair

    Interesting to know how that reduction compares to a MHRV system...
    • CommentAuthormarsaday
    • CommentTimeJan 12th 2018
    So no one has used it.
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