Patents Assigned to Insul-Stop, Inc.
  • Insulation barrier and a method of making a fire-retardant insulation barrier
    Patent number: 5506048
    Abstract: The process of making a fire-retardant insulation barrier provides a single step of applying an emulsion comprised of aluminum trihyridate and polyvinylchloride to one side of a foamed molded or extruded or fabricated polystyrene board. After the emulsion dries to a coating, the board can be shipped. The aluminum trihydrate and polyvinylchloride are in a ratio of approximately 4 to 1 to 1 to 4 and the emulsion is applied at a wet weight of 1 to 6 pounds per 32 square feet of board area.
    Type: Grant
    Filed: February 23, 1995
    Date of Patent: April 9, 1996
    Assignee: Insul-Stop, Inc.
    Inventors: Harry Bussey, III, Harry Bussey, Jr., Burton P. Gendron