Ecohouse 2 by Sue Roaf
Building With Cob
More great priced ecobuilding books here
Vanilla 1.0.3 is a product of Lussumo. More Information: Documentation, Community Support.
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Posted By: pmagowan...one of my single glazed sash windows was sucked out!!...I suppose your definition of 'reasonably airtight' is stricter than mine
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