Polyurethane Foam is an open cell type of foam based on petroleum byproducts and typically used for mattresses, bedding, cushions, and furniture upholstery. It is flexible and comes in a variety of densities and firmness. More rigid types are used for roofing insulation and automobile interiors.
Polyurethane Foam is made in blocks and then cut to size and shape. It has light weight, resilient, and insulation qualities.