[Greenbuilding] CONDITIONED crawlspace ventilation

[Rushd45]

John wrote - 

> The foundation/subfloor that I have been using consistently is 6" eps foam
> on a prepared sand/gravel base with either sheathing laminated directly to
> the foam with whatever flooring above or thin slab or tile on thickset as
> finished floor. In other words no concrete slab. 
> 
> It makes a lovely floor I think with the cost of affective insulation offset
> by the lack of slab.
> 
> John Salmen

How would you handle a radiant heating system with no slab? It also makes great sense to do away with the slab if the building codes can be followed.

Rush
Tucson AZ
www.ironandwood.org