EPS blocks that fit perfectly. Ideal for detached or semi-detached houses and swimming pools. The style of the house is not limited, as you can build both a modern style and a classic style construction.Concrete thickness can be an option of 150mm 200mm 250mm 300mm, depending on the needs. The IPS is 65mm on each side, 1200mm long and 400mm high. Separators every 200mm.