Austin Building Systems (BuildMetal.com) is a proud reseller for the Janus Rolling Sheet Door model 1000/1100. These commercial sheet doors can be used on a wide range of commercial steel buildings and pre-engineered metal buildings. Listed are just a few building types these roll up doors can work with.

Commercial Roll Up Door | Austin Building Systems

Agricultural Buildings

Commercial Buildings


Agricultural Storage

Self Storage


Auto garages

Boat Storage

Industrial Steel Buildings

Auto Repair Shops

Boat & RV Storage

Airplane Hangars

Commercial Roll up doors

Janus 1000

General Description

• Pre-assembled for time and money savings
• Utilizes 9 ½” diameter drum wheel
• Maximum opening size of 12’ wide x 14’ high (168 sq.ft.)
• Push-up, hand chain and internal electric operations
• Reduced drive chain hoist is right hand only


• 26-gauge galvanized corrugated steel
• Grade 80 steel
• 20 standard colors (special colors upon request for a nominal upcharge)
• Super Durable Polyester paint coatings, which are corrosion resistant
• Wash coat over primer interior side
• 40-year film integrity warranty — up to 25-year chalk and fade
• Flexible nylon wear strips


• 16 gauge galvanized
• Vinyl guide wear strip
• Bolt on head stop ¼” thick steel
• 2 ¼” guide depth
• Pre-punched for lock
• Universal jamb mount
Bottom Bar

• 24 gauge acrylic-coated galvalumed roll formed steel
• 2” x 1 ½” galvanized angle
• Bulb astragal (Durometer 75)
• Stainless steel bolts


• Bottom bar mounted 12 gauge slide locks – 2 per door
• Bottom bar mounted 16 gauge step plate – 2 per door
• 12 gauge door mounting brackets
• Ratchet tensioner device

Axle/Torque Tube

• 1” O.D. steel axle, 12-gauge
• Oil tempered torsion springs conforming to ASTM A229
• 18-gauge, 9 ½” diameter galvanized drum
• Low friction, grease-filled steel ball bearings staked in each drum
• 26 gauge spiral torque tubing that houses axle assembly


• Insulation Series 1000I (R-value 4)
• Top draft stop
• Side draft stop
• Header seal
• Chain hoist 4:1 reduction
• Internal electric operator
• Hood
• Stainless steel mini latch

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