ISOFLEX Nano sound and thermo proof is the new generation of nano technology, has maximum protection against sound and thermo, it is widely used in building industry. the properties, including physical and pastry structure, cellular sami-closed sound proof structure (sound absorbing) long lifespan, high sticking to all types of building surface and resistant to sun radiations. the substance is in the form of paste and is performed by using trowel on layers which provides 85 percent sound proof and with thickness of 1cm as well as 90 percent thermo proof.