Energex: The best insulated industrial door


The best insulated industrial door!

The Thermostop™ Energex is simply the best insulated industrial door. With a 3” or 4” thick CFC-free polyurethane foam core, the Energex door is by far the best insulated door of the industry. Extremely airtight and robust, the Energex door is ideal for applications such as government building, LEED building, municipal warehouse, hospital, arctic airport and government building, arctic arena and school, etc.

Performance tests
  • ASTM E-283 (Air Leakage): Less than 0.130 cfm/ft2 at 25 miles/hour
  • ASTM E-547 (Water Penetration): Absolutely no leak
Size capacity

Doors up to 24' wide by 24' high (7315mm wide by 7315mm high)

Manufacturing process

The inner core consists of rigid polyurethane, foamed in place under high pressure between two metal skins.

Joint and seal

High quality galvanized steel or aluminum skins roll formed into an exclusive tongue-and-groove joint with a true thermal break and a double bubble-shaped weather seal.

tongue and groove
Metal skins and thickness

Options available:

26ga. steel:

  • Energex Mark III-266 (3” thick)
  • Energex Mark IV-266 (4” thick)

24ga. aluminium:

  • Energex Mark III-244 (3” thick)
  • Energex Mark IV-244 (4” thick)
Brock energex cutouts

Standard: White or grey RAL-9006 (24ga. aluminium only).

Stucco finish, with ribs.




Grey RAL-2006
(24ga. aluminium only)

Optional colors: Shop painted.

Color chart

Color to be selected from the SICO or RAL color chart

Perimeter weather seal

3-lip, flexible PVC weather seal, retained in an extra robust extruded aluminum retainer.

industrial garage pweatherseal
Bottom weather seal

U-shaped, flexible PVC weather seal, retained in a heavy duty extruded aluminum retainer.

sentinel garage bweatherseal
End caps

Sections are equipped with 16ga. (1.42mm) thick galvanized steel end caps.

end caps
Glazing options

Type B :

Black square frame.

Double acrylic or 1/8" - 1/8" sealed glass.

Standard 24" x 12".

industrial garage window b

Type C :

Black round corner frame.

Double acrylic glass.

Standard 24" x 12".

industrial garage window

Type E :

White square frame windows.

Standard 24" x 12".

industrial garage windows e
Hardware and Electric operators

Recommended models (for 10 000 cycles springs):

  • Up to 16’0” (W.) x 16’0” (H.):
    Hardware model 80-T with electric motor XTRA-H
  • More than 16’0” (W.) x 16’0” (H.):
    Hardware model 80-THD with electric motor XTRA-HHD


For more information, please consult the and brochures.