Kingspan GreenGuard Type VII XPS Insulation Board comprises closed–cell extruded polystyrene (XPS) with a minimum compressive strength of 60 psi. It has high water resistance and R–value of 5.0 per inch of thickness. It is available in a square edge board or a drainage channel board.

Kingspan GreenGuard Type VII XPS Insulation Board is made of synthetic materials that are generally recognized as not providing a food source for insects, fungus, mold, or mildew. It should always be properly installed and stored. Kingspan GreenGuard Type VII XPS Insulation Board is HCFC free.