Security Reservoir & Roof Door with External Mounting Flange

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Security Reservoir & Roof Door with External Mounting Flange

The SRR-E door provides secure, convenient and weather resistant access onto roofs and into reservoirs. It is available with an exterior mounting flange.

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Material: Aluminum
Frame: 3/16” aluminum angle with EPDM gasket for weather resistance
Covers: 3/16” diamond plate reinforced for 150 PSF live load Hardware: All 316 SS nuts, bolts, washers and latches
Hold-Open Device: 316 SS Hold-open arm with inside release handle
Lift Assist: Gas shock
Lock Device: 316 SS slamlock with exterior T-handle and fixed interior release handle
Lift Handle: Fixed T-handle
Warranty: Ten (10) years on aluminum

Optional Features

  • 1/4-inch thick aluminum smooth plate cover
  • Exterior padlock staple
  • Removable exterior slamlock handle with choice of slotted plug or tamper resistant plug.
  • Cylinder deadbolt lock keyed exterior, interior or both
  • Indicator switch to signal when cover is not fully closed.
  • Anodized finish
  • Stainless steel safety chains with aluminum support posts
  • Custom lettering


The security reservoir & roof door shall be model SRR-E as manufactured by USF Fabrication, Inc. with the size being specified on the plans. Door leaf shall be 3/16-inch thick aluminum diamond plate reinforced for 150 p.s.f. live load. The frame shall be 3/16-inch aluminum structural angle with 7/16-inch diameter holes for bolting to curb or roof deck and have an extruded U-shaped EPDM rubber weatherseal gasket where the cover closes on the frame. The access door shall be equipped with a 316 stainless steel slamlock with fixed exterior and interior handles and interior padlock staple. A 316 stainless steel hold open arm with push/pull handle shall automatically keep the cover in its upright, open position. The door shall have a mill finish and hinges fabricated with aluminum lugs and 316 stainless steel pins. The door shall have stainless steel gas shocks to assist in opening the door and reducing the force during closing. Installation shall be in accordance with the manufacturer’s attached instructions with others being responsible for providing an effective seal between the frame and the mounting surface. The door shall be manufactured and assembled in the United States. Manufacturer shall guarantee the door against defects in materials and workmanship for a period of ten years.

Light Vehicular / Occasional Truck Traffic

ASTM C1802-20 Load Level 3 & 4