What is Icynene made of? This spray foam is considered to be an energy-efficient insulation material available in the market. It is created from polyurethane and is meant for insulating floors, walls, lofts and roofs, etc. Recycled materials are used to create such products and are devoid of synthetic blowing agents, toxic chemicals or harmful gases. Loft insulation Thus, it can be termed to be an eco-friendly solution especially for existing and new buildings. How does Icynene spray foam insulation work? This spray foam is known to expand by approximately 100 times of the original size on initial spray. Then, it hardens, thus filling up every corner, thus sealing completely and making the place air tight. This thermal insulation is energy-efficient and helps save on energy while reducing costs. It also takes care of condensation, heat loss and soundproofing issues and best suitable for residential, industrial and commercial properties.  Is Icynene spray foam safe? This