Increasing the insulation of concrete walls could not be simpler – simply add expanded polystyrene blocks to the interior of each concrete block that makes up the wall. The R-value of the whole structure is increased and the energy efficiency and comfort of the new home is improved. EPS blocks from Universal Foam Products are simply slotted into the spaces within a standard concrete block; no additional skilled labor or equipment required. To calculate exactly how many EPS blocks you require, our website has an easy calculator to help. Try it out!