@cmother1
Thanks for your reply. Are you saying that it doesn't need ventilation under the floor, around the walls?
The main problem we saw was that it has just been built up with earth well over the original damp proofing, it was necessary (we thought) to dig the trench in order to dry...
Hi,
This is my first post here and I'm fairly new to building/renovation so please excuse me if I get any terms wrong :)
We have a large house which we are reconstructing in South Bohemia (Czech Republic) and have come across some differing opinions about how we ventilate a new concrete...