Originally Posted by Superfreak
Put 4" of rigid insulation under the slab, this will help keep the heat in whether you use infloor heating or not.


Thanks for the advice. I will look into that. I think i used 2-1/2” or 3” under the NY slab. And at the sides too.
Thx


1.50 60Ft. , 10.75@ 127MPH Hauling 3900 LBS.