Q: We have a bathroom on the ground floor, and we're replacing parts of the subfloor because they have dry rot. The subfloor is above concrete. Do you recommend putting insulation between the concrete ...

Dear James: I need an extra bedroom for my kids. It will be built on a slab and utilize floor radiant heating. I would like to install hardwood flooring over it. Is this OK over a heated slab? - ...

Q: We added a room to our house that has only a concrete slab for a floor. The slab gets so cold in winter, we are unable to use the room. How can we make the room comfortable? A: Cold concrete floors ...

In addition to thermal efficiency, Thermoblocks contribute to improved condensation control. By raising internal surface ...