Polyurethane foam insulation has attracted considerable attention in recent years as a green, affordable, and highly effective building material. This material is mixed on site and blown into (and onto) the walls, roof, and other supports of a structure to apply an even insulation surface and create a tight seal.  See full article.

  Polyurethane foam insulation has attracted considerable attention in recent years as a green, affordable, and highly effective building material. This material is mixed on site and blown into (and onto) the walls, roof, and other supports of a structure to apply an even insulation surface and create a tight seal.  See full article.