C__MC wrote: »
House isn't built yet
Architect preferred boards between cavity but given the hectic and busy climate out there, there is a delay and shortage on manufacturing them
The other option was the one I mentioned bead cavity with internal slab, my question was which is the cheaper method?
sydthebeat wrote: »
cheaper certainly doesnt mean best
in your case id go with a 200mm cavity (MINIMUM) and pump bead