See also: 06 1200 - Structural Insulated Panels

Atlas Roofing Corporation
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Atlas Roofing Corporation manufactures Polyisocyanurate rigid insulation boards for both low slope and steep slope applications. Atlas offers a variety of facer options for its Polyiso boards, ranging from black organic felt paper, coated glass, composites and more. Atlas also manufactures Polyiso panels for steep slope systems needing ventilation, both with and without a radiant barrier.

Cornell Corporation ![]()
Vent-Top ThermaCal® combines OSB, 1-in airspace, solid wood spacers, polyiso or XPS foam. Nominal 4’ X 8’ panel effectively insulates and ventilates. Panels feature tongue and groove machined foam and rabbeted sheathing minimizing heat loss and easing installation. Optional sheathing/airspaces, R-values to 42. Available in ThermaCal® non-vented. FSC, Miami-Dade approved. NEW-ThermaCalWALL outside wall insulation.