For a garage workshop, would you have a separate slab?
We are designing a new house where we want an unheated garage and a heated workshop. I know that an unheated slab is a heat sink, but if I insulate under the whole garage there will still be a thermal bridge where heat is drawn from the workshop to the garage. Is there a way to isolate the two slab areas? Does it make sense to have a separate slab for the workshop? Can two independent slabs exist with in one frost wall perimeter? Would you need to have a frost wall completely around the workshop?
GBA Detail Library
A collection of one thousand construction details organized by climate and house part