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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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    • CommentAuthorSimonD
    • CommentTimeJan 20th 2021
    I'm now casting my thoughts towards wall finishes and materials for my house. On the ground floor I've decided,for better or worse, to use a load of reclaimed clay bricks that used to be the partition walls in the existing house before we started building work. I'm going to finish these walls with a lime plaster.

    However, on the first floor, I'm having difficulty making up my mind and I need to decide on the interior side of my exterior walls which are currently lined with osb as vapour and airtightness layer. Inside of this osb I will be having a service void and then whatever finish I decide. I also need to decide on the partition stud walls, one of which is for a bathroom.

    Clearly the most basic and probably cheapest option is to use plasterboard but I'm a bit anti this due to its environmental reputation and although I know I can get lime plasters that are okay for plasterboard, this may not be ideal. I'm also slightly anti this because in, for example the kitchen, I'd probably also need to add a backer board of osb to the plasterboard or install some alternative wall reinforcement for cupboards etc. I'd probably have to do this with several of the partitions.

    The other option I've looked at is to use a wood wool board which is then lime plastered.

    I also have the option of lining with wood.

    And then there are other options such as Fermacell an other gypsum/cement fibre boards out there.

    My primary requirement is that the wall fits in with my the building fabric which is moisture buffering and 'breathable.'

    So my question: What materials have you used and why? What are your views of the pros and cons of partition wall materials and finishes?
    • CommentTimeJan 20th 2021
    Our basic strategy was to finish the external walls with lime plaster and the roof and internal walls with plasterboard and a gypsum skim. Then cover everything with clay paint. In the kitchen we used OSB behind the plasterboard, and a false stud wall inside the external wall to allow us to mount wall cupboards and the cooker hood where we wanted them. In bath/shower rooms we used Aquapanel instead of plasterboard with Bushboard Nuance to finish (perhaps overkill). Cost and simplicity were the why. I'm happy with the choices we made, there may be other ways we could have skinned the cat, but I'd probably do something similar again.

    Using XPS panels in wet areas instead of tiles seems like a very good scheme to me; much less hassle constructing and maintaining. Using OSB behind regular plasterboard seems like a reasonable solution rather than yet another different material, but I'd have had no objections to Fermacell that I know of.
    • CommentAuthorSimonD
    • CommentTimeJan 21st 2021
    Thanks for that. I'm beginning to approach this more pragmatically in a similar way to your decision on cost and simplicity as when I dig further into other options it's as if I enter into another world of 'system' options. I think I will lean towards the plasterboard option.
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