ABM High Strength Roof insulation Board (HR series is designed specially for all types of flexible waterproof roofing systems. The product has functions include heat preservation, thermal insulation, fire protection and noise reduction. It has high compressive strength and point load, which makes it able to bear the weight of personnel and equipment during the construction and maintenance, and maintain stable thermal, acoustic, fire insulation capacity at the same time. The product is mainly used in step-on roofing, planter roofing and flexible waterproof roofing system in new/expansion project or retrofitting project of existing buildings.