The Sentinel sectional door is without equal the most robust and best insulated sectional door in the industry. The Sentinel sectional door is equipped with 16 gauge steel skins or 20 gauge steel skins and is available with a 2” thick (R-18), 3” thick (R-24) and 4” thick (R-32) polyurethane foam core. The Sentinel sectional door has all the outstanding features of a superior industrial door: high density polyurethane foam core, airtight tongue-and-groove joint, true thermal break with an integral bubble seal (double bubble seal for 3” and 4” thick doors), triple-lip perimeter weather seal with extra heavy-duty aluminum retainer, robust U-rubber bottom seal (double bottom seal for 3” and 4” thick doors), 16 gauge galvanized steel end caps, etc. Due to its dual quality of superior robustness and high insulation value, the Sentinel sectional door is widely used as a security door or as a highly insulated Arctic door that can withstand the harshest weather or environmental conditions.
The Sentinel sectional door is recommended for the following applications:
2 options available :
20ga. steel :
Thermostop™ Sentinel, model
Mark II-200 (2″),
Mark III-200 (3″)
or Mark IV-200(4″)
Finish : White, smooth finish, with ribs.
16ga. steel :
Thermostop™ Sentinel, model
Mark II-166 (2″),
Mark III-166 (3″)
or Mark IV-166(4″)
Finish : Smooth finish, shop painted color
Type A (for the Mark II models only) :
Full view extruded aluminum panel.
Standard anodized finish.
Type B :
Black square frame.
Double acrylic or 1/8″ – 1/8″ sealed glass.
Standard 24″ x 12″.
Type C :
Black round corner frame.
Double acrylic glass.
Standard 24″ x 12″.
Type E :
White square frame windows.
Standard 24″ x 12″.
Since 1984, Thermostop has been a reputable manufacturer of Industrial Sectional Doors, Cold Storage Doors and Specialty Doors such as Impactable Breakaway doors, Acoustic Doors and Ballistic Doors.
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