making a workshop out of thermalite blocks clan with wood?

30 Jun 2010
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United Kingdom
Ok i was wondering whether i could build a shed using thermablocks which would then have batterns screwed into them so i could clan the outside with wood.I was considering having a metal pitched roof.Ideally i would like the workshop to be 18-20 ft long and 12foot wide 8ft high.The foundation will need to be floating as the ground it will sit on is basically leaf mould .I have tried to dig down to a clay strata but gave up after 7 ft.My thoughts were the thermablocks would be lighter than concrete and add some fire retardation and insulation quality to the workshop.
Any thoughts ?
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The building will inevitably settle even with lightweight blocks.

The thought of erecting a large shed on leaf litter makes me shudder.

Lightweight blocks clad in timber sounds ok though.
I thought i would strenghten the floating foundation with metabar .I have read other posts relating to thermablocks which indicate they absorb water ,obviously i would hope the roof and wooden cladding will stop the rain getting in but would i need to do anything else? like moisure barrier ?
Go for a raft foundation in concrete least it will all move together when it does..
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I'd just do a whole timber frame which would be lighter still, and more flexible. I can't see why you would want to use blockwork and then clad it

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