| Subscribe newsflash | Show all newsitems | The inside walls.. Published 29/01/2011 During the winter period the loft builder worked on the inside walls in his factory. Now the concrete floor is hard, they have built the inside walls on the concrete floor. This happened in a few days. After 1 day.... After 2 days Day nr. 3. The bricks for the outside walls are at location now. Day nr. 4.... over 200m2 with wood and isolation.