Perforated Steel Rolling Security Grilles

Canuck Door Systems installs a variety of Perforated Steel Rolling Security Grilles. They provide a beautiful and practical solution for securing facilities and partitioning spaces without sacrificing aesthetics and visibility into the secured space.They provide excellent visibility, air flow, and security. These grilles featuring 50% perforated steel slats covered with high resistance powder coat paint. They are ideal for high-end storefronts and any location with a contemporary architectural vibe.

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  • Finish is in the clear anodized
  • AEROFLEX micro-perforated steel panels
  • Transparency of glass
  • Manual Operation
  • Electric Motor Operation



Curtain shall be constructed of 3” (76mm) on center extruded aluminum sections. Each section framed by continuous, double “C” hinge hold steel perforated panels 20 gauge .035” (.90mm) x 2 ½” (64mm) high x 15” ¾ (400mm) wide separated by 2 ½” (64mm) high x 0,050” (1,3mm) thick aluminum slats.

Support Structure
  • Supports: 3” (76mm) X 3” (76mm) structural tubes with 0.120 (3mm) wall thickness furnished by MobilFlex to be pre-drilled and tapped for guides and end plates. Tubes to be attached to the floor slab and joists above. Attachment at top is for lateral support only.
  • Provide 2” (50mm) X 3” (76mm) steel angles for face of wall installation. (instead of steel tubes).
  • 4” (101mm) (101mm) X 4” (101mm) structural tubes (for openings over 250 sqft (2.3m2))
End Plates

Furnish steel plates not less than 3/16” (4.7mm) thick (with dimensions appropriate to coil size) to support the ends of the barrel assembly with sealed, self-aligning shaft bearings. End plates bolted to support tubes.


Minimum 6 5/8” (168mm) diameter X 0.156 (4mm) wall steel pipe barrel will be designed to carry curtain load with a maximum allowable deflection of 0.03” per foot of closure width (2.3mm per linear meter in width). Barrel to house a torsion spring counter-balance assembly to counter-balance the curtain.

Counter Balance

Oil tempered, helical torsion spring(s) pre-lubricated and secured around a continuous, solid, cold rolled steel inner shaft will act as counter balance within barrel. Shaft will bear on self aligning, permanently lubricated ball bearing assemblies. Counterbalance assembly to be designed for a minimum life of 20,000 cycles. Spring to be site tensioned by attached, accessible charging wheel.

Manually Operated

Standard closure to be manually operated push up, pull down with removable retrieval rod. The effort to raise or lower the closure shall not exceed 15 pounds (7kg) force. (Optional but not recommended, hand chain hoist or hand crank with removable crank handle). Motorized operation is recommended for closures with an area greater than 150 sqft (14m2).

Electric Motor Operator

Motor operator shall be industrial duty, jackshaft hoist type. Primary reduction shall be heavy-duty belt drive with chain-and-sprocket secondary reduction. Mechanism is to be self-locking when torque is applied to output shaft. Operator shall have an adjustable, torque limiting friction clutch. The motor operator shall have a built-in interlock that will prevent the grille from being damaged if operated electrically when in the locked position.

Emergency Egress Release

Supply a flush manually activated emergency egress device to disengage motor in case of an emergency.

Electric Key Switch

Control station (when applicable) shall be two position, open/close, constant pressure type for flush mounting, housed in a tamper-proof enclosure (key switch to replace push button set).


Vertical curtain guides are to be of extruded aluminum 1 5/8” (41mm) wide x 2 3⁄4” (70mm) deep with nylon brush seal to allow smooth operation. Top stoppers to be installed on each guide to stop upward movement of curtain at secured position.

Bottom Bar

Heavy duty extruded aluminum section, bell-shaped to provide reinforcement. Bottom bar to house lock mechanism. Center lock mechanism to be 2-point deadlock which activates 7/16” (11mm) steel lock bars at each end. Standard MobilFlex cylinders operable from both sides. Removal of bottom bar not necessary to change the cylinders. For counter closures, bottom bar is to be of extruded aluminum 1 1⁄4” (32mm) wide x 3” (76mm) high.


Locking bottom bar to be equipped with MobilFlex 1” (2.5mm), 5 pin mortise cylinder.
Please choose:1 cylinder (inside or outside) or
2 cylinders.

Material & finish

Standard aluminum 6063-T5 shall be clear anodized finish or acrylic paint white or black.

Option (Please specify if a hood is required)


Supply a 2, 3 or 4 sides (please choose) 0.032” (0.8mm) clear anodized hood to cover barrel and rolling grille.


Canuck Door Systems is a dealer of  the Mobiflex , the leading manufacturer of security grills in Canada.

We install rolling security grilles in the Toronto, Mississauga, Brampton, Vaughan, Richmond Hill, Markham, Hamilton, Burlington, Oakville, Pickering, Ajax, Oshawa, Aurora, Newmarket and throughout South Ontario is no exception.

Canuck Door Systems also installs Polycarbonate Rolling Security Grilles, Open Style Rolling Security Grilles, and Open Style Roll Up Security Gates.



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