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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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    • CommentAuthorNedington
    • CommentTimeNov 7th 2021
     
    hello, does anyone out there live in a strawbale house and can let me know what they recommend for foundations? We are going cement free, we are considering a few options but would love to her from someone with 1st hand experience.
    thank you!
    •  
      CommentAuthordjh
    • CommentTimeNov 8th 2021 edited
     
    Posted By: Nedingtonhello, does anyone out there live in a strawbale house and can let me know what they recommend for foundations?

    I live in a strawbale house, and we are pleased with our choice of a passive slab.

    We are going cement free, we are considering a few options but would love to her from someone with 1st hand experience.

    Ah, so you probably won't be going for a passive slab. Straw bale builders tend to fall into a couple of groups, those with an emphasis on natural materials and those more interested in performance. I looked at a suspended timber floor on micropiles but that was quite expensive and looked trouble prone to me (but then I have no experience to judge by). A lot depends on the ground conditions where you are building, so do get a good survey before deciding what foundations to use. And obviously a two-storey house needs stronger foundations than a bungalow.

    Some people have used old car tyres rammed full of earth, which Barbara Jones likes, other people have built brick dwarf walls, but again you have to decide what's under them. A lot of it will also depend on your notion of what's OK and what's not. Some people reckon limecrete is OK but concrete is not. I reckoned a load of recycled hardcore and GGBS concrete with EPS between them was OK. A chat I had with Bill Steen was influential in deciding me.
    •  
      CommentAuthorfostertom
    • CommentTimeNov 10th 2021
     
    Posted By: djhobviously a two-storey house needs stronger foundations than a bungalow
    Really? Live load/'snow' load swamps deadload, under Bldg Regs, at least up two maybe three storeys. Efforts at lightweight (vs trad heavyweight) construction do nothing for 'easier' foundation design.

    Unless it enables something radical e.g. concentation of load by post-and-panel rather than continuous walling, which in turn enables piles, as djh mentions, without need for ground-beams (if that's considered easier).
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