Suitable materials for thermal insulation include: mineral wool insulation in accordance with EN 13162; rigid polystyrene foam EPS in accordance with EN 13163; extruded polystyrene foam XPS in accordance with EN 13164; rigid polyurethane foam in accordance with EN 13165 and foam glass in accordance with EN 13167.

Insulation materials that serve as a base for a waterproofing seal must comply with minimum pressure load values.