Is there anything you can add to cement which will increase insulating power?I guess asbestos is illegal and I am not even sure how much it would work, but I was wondering if there isnt something out there that will add R value to cement if you add it to the mix without substantially reducing the strength of the cement itself.
thickness...the thicker the concrete, the better it will insulate
Styrofoam beads work the best and also form a bonding strength to cement.
I would not add anything to the cement itself. Cement is a formula that must be followed for the product to perform as it is designed. The best way to add insulation value is to laminate stryofoam boards to the inner surface or built a wood framed wall against the concrete wall and add fiberglass bats.
