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cheapest, easiest, greenest self build?
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James



Joined: 11 Jan 2006
Posts: 2865
Location: York
PostPosted: Wed Apr 02, 08 11:40 am    Post subject: Reply with quote
    

MarkS wrote:
limecrete/leca for slab stuff.


Limecrete sounds good. Papercrete can be made with lime instead of cement, then formed into blocks:
https://www.livinginpaper.com/mixes.htm

Erikht



Joined: 08 Feb 2005
Posts: 3358

PostPosted: Wed Apr 02, 08 4:23 pm    Post subject: Reply with quote
    

What about these ideas? I find them very interesting, especially since the houses are complete entities with water, electricity etc:

https://www.earthship.net/

They use old tyres packed with earth, but you can also use straw bales or concrete.

MarkS



Joined: 01 Aug 2006
Posts: 2626

PostPosted: Wed Apr 02, 08 5:16 pm    Post subject: Reply with quote
    

Indeed interesting, but can be a bit radical for the planners,

I've seen one in progress - cant remember the village name - not far from mortain

vegplot



Joined: 19 Apr 2007
Posts: 21300
Location: Bethesda, Gwynedd
PostPosted: Wed Apr 02, 08 5:27 pm    Post subject: Reply with quote
    

Planner don't tend to look to kindly on houses made from waste. Something about not being in the vernacular. Which of course breeze block, pebble dashed, uPVC lego houses are.

Brandon



Joined: 11 Apr 2006
Posts: 114
Location: mid wales
PostPosted: Tue Apr 15, 08 9:09 am    Post subject: Reply with quote
    

I would strongly advise that you talk to someone with first hand experience of ramming tyres for footings before you commit to it, it is a killer.

vegplot



Joined: 19 Apr 2007
Posts: 21300
Location: Bethesda, Gwynedd
PostPosted: Tue Apr 15, 08 9:47 am    Post subject: Reply with quote
    

Brandon wrote:
I would strongly advise that you talk to someone with first hand experience of ramming tyres for footings before you commit to it, it is a killer.


You'll end like with a torso like Brad Pitt in Troy, not get past the first 10 tyres, or dead. If you do decide to go down the rammed tyres route get reasonably fit first and take your time. As Brandon says it's damned hard work.

Erikht



Joined: 08 Feb 2005
Posts: 3358

PostPosted: Tue Apr 15, 08 7:11 pm    Post subject: Reply with quote
    

Can't you use concrete as well?

vegplot



Joined: 19 Apr 2007
Posts: 21300
Location: Bethesda, Gwynedd
PostPosted: Wed Apr 16, 08 10:16 am    Post subject: Reply with quote
    

Erikht wrote:
Can't you use concrete as well?


It's meant to be green.

Ronnie



Joined: 11 Jun 2009
Posts: 73
Location: Highlands
PostPosted: Fri Oct 08, 10 8:08 pm    Post subject: Reply with quote
    

Apologies for bumping an old thread.

I have a lead on a free or very cheap building plot up in the Highlands - and am thinking about building again.

I'm leaning towards a steel framed, straw bale, rectangular, passive solar build on a concrete slab foundation. The object is bang-per-buck all the way. I'm not too interested in carbon footprint if I'm honest, but sustainability is extremely important to me.

The steelwork should be insulated from the straw with chinking - basically you smother the steelwork in a similar material that you'll be using to render your bales.

JohnB



Joined: 09 Jul 2005
Posts: 685
Location: Beautiful sunny West Wales!
PostPosted: Fri Oct 08, 10 10:18 pm    Post subject: Reply with quote
    

What's wrong with load bearing straw bale?

Ronnie



Joined: 11 Jun 2009
Posts: 73
Location: Highlands
PostPosted: Fri Oct 08, 10 10:21 pm    Post subject: Reply with quote
    

JohnB wrote:
What's wrong with load bearing straw bale?


It makes for a wonky house which is impossible to insure

Behemoth



Joined: 01 Dec 2004
Posts: 19023
Location: Leeds
PostPosted: Fri Oct 08, 10 10:24 pm    Post subject: Reply with quote
    

Can you insure a pile of dry grass?

JohnB



Joined: 09 Jul 2005
Posts: 685
Location: Beautiful sunny West Wales!
PostPosted: Fri Oct 08, 10 10:51 pm    Post subject: Reply with quote
    

Ronnie wrote:
JohnB wrote:
What's wrong with load bearing straw bale?


It makes for a wonky house which is impossible to insure

That's funny. Because I was helping to build one recently, and it didn't seem at all wonky. I understand you can get insurance and mortgages if you go to the right people.

Ronnie



Joined: 11 Jun 2009
Posts: 73
Location: Highlands
PostPosted: Fri Oct 08, 10 10:53 pm    Post subject: Reply with quote
    

Give it a few months...

Behemoth



Joined: 01 Dec 2004
Posts: 19023
Location: Leeds
PostPosted: Fri Oct 08, 10 11:16 pm    Post subject: Reply with quote
    

Everything 'settles' over time, the extent depends on the material.

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