I'm considering hyrdronic radiant heat.
1. Does tubing size matter? What effect if tubing is sized less than
2. Does rate of liquid through tubing matter?
3. Is there a source for DIY lightweight concrete mix? Most products
seem to require a licensed or factory trained installation. I can't
believe mixing and pouring this mix to be that complex. I have a small
building 60-70 miles from nearest applicator. The applicator has a
minimum charge of $1500 for my 450 sq ft.
4. Any alternatives to pouring a lightweight mix?
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