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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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Housing - Renovation: Breathable IWI Insulation Strategy Queries

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    • CommentAuthorMike1
    • CommentTimeJun 10th 2020 edited
     
    If you have to go with IWI, there's some useful research n Historic Scotland's Refurbishment Case Study 4, comparing wood fibreboard, hemp board, blown cellulose, injected polystyrene bead, and aerogel board, with U-values between 0.19 and 0.32, no vapour barrier and plasterboard and / or skim finish.

    None of them resulted in worrying RH levels at the wall-insulation interface, nor 50mm into the wall, despite the Scottish climate (although in the case of wood fibreboard these RH levels were considerably higher than the RH in the room).

    More on this (and many other refurb topics) at https://www.engineshed.scot/publications/

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