Quote:
Originally Posted by Mikesolar
I've done this 100s of times. If you can put up with a 7ft basement, simply put the 2" of XPS foam on the existing floor with a 6x6 wire mesh on top and the tubing (make sure it is an O2 barrier tube) , then put min 3" of cement down. It is the easiest way.
If the height is an issue, then there is little option but to break up the concrete. Solar is a bigger subject with many options but the floor comes first as you need a place for any size tank....lol
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Is the reason for the concrete (either new or on top of the existing) to help hold any heat that's been put in? To spread out the heat/prevent hot spots? Does it basically replace the need for a storage tank if I'm doing solar as the source of heat?