Sto Insul-X™ Insulation is a Type IV extruded polystyrene foam insulation board that is scored longitudinally on 16” and 24” centers, making it easy to size to commonly used widths. Sto Insul-X™ is used in exterior wall assemblies and has excellent insulating characteristics, high resistance to water and water vapor, exceptional compressive strength and long-term durability.

Sto TurboStick