What is spray polyurethane foam and what is it used for?

PUR is polyurethane, a material used in spray insulation, it is manufactured by mixing two raw materials: polyol and isocyanate. Polyurethane foam is a result of mixing these two substances by by means of specialist spray devices. PUR foams are widely used in construction industry as an alternative insulation material. From bottom to top. They are excellent in scope of operational safety and functionality.