Kingspan GreenGuard GG300 is a high performance rigid extruded polystyrene insulation (XPS). Offers thermal conductivities as low as 0.034 W/mK, and is used to insulate inverted roofs, basements, car park decks, and heavy-duty commercial, industrial and cold store flooring. Has a high compressive strength and is resistant to ground moisture penetration. Kingspan GreenGuard has the necessary compressive strength to make it the product of choice for specialist applications such as heavy duty flooring, car park decks and inverted roofs. The GG300 is available in the following thicknesses: 30mm 40mm 50mm 60mm 80mm 100mm 120mm 140mm Please note that the GG300 in thicknesses 70mm has been discontinued. Contact our sales team if you need an alternative. Contact us today.