What are cob blocks and cob bricks?
These are made from a clay-based sub-soil with straw. The cob blocks are about the same size as a concrete block, the cob bricks are a little smaller than a modern brick. They are used for repairing holes and damage to cob walls as they are already dried and hence will not shrink in use. They are bedded in place with a 4/1 lime mortar or sieved sub-soil.
Related Questions
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