Where the earth tubes get close to the house we have built a block work chamber to concentrate the air flow down too a smaller tunnel to pass under the foundations of the house. The chamber is 300mm below the path round the house.
A DIY Selfbuild by Stephen, Shaun & Daphne
Where the earth tubes get close to the house we have built a block work chamber to concentrate the air flow down too a smaller tunnel to pass under the foundations of the house. The chamber is 300mm below the path round the house.