Patents Assigned to SIBO, Inc.
  • Ventilation system for roofs
    Patent number: 4937990
    Abstract: The present invention relates to a ventilation system which makes the drying of roof insulation easier when there is a break in the vapor barrier or in the impermeable membrane protecting the said insulation. The system comprises an impermeable sheet composed of a series of openings distributed on its surface and a plurality of supports arranged between the openings.
    Type: Grant
    Filed: July 27, 1989
    Date of Patent: July 3, 1990
    Assignee: SIBO, Inc.
    Inventor: Jean-Paul Paquette