Slim Line Side Folding Security Door

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The Slim Line security grille allows for more custom installations where curved or L-shaped pockets are desired. If you’re designing a retail space, pharmacy counter, food service counter, or a public space like a school or arena, the Slim Line will can be adapted to a variety of design aesthetics.

Benefits of the Slim Line

Contemporary Look Free of Horizontal Lines

Seamless polycarbonate, perforated or solid aluminum panels can reach up to 14 feet high without the need for visually distracting horizontal reinforcements. Clear and black anodized options are standard, with more available.

More Room for Display Than Other Security Doors

The space saving design of the Slim Line has only a 5-inch wide stack when stored and is 37.5% smaller than the standard 8-inch stack required by other doors. This means you have more room to devote to your retail display space.

Feel Good About Using Advanced Eco-Friendly Materials

The materials in the Slim Line are lighter, stronger, and just plain better – but are made with fewer resources. That’s a step in the right direction that benefits everyone.

Makes Retrofit Headaches Vanish

Need a security door to fit within an existing pocket? The Slim Line is a great fit for retrofit applications. It also fits between 6-inch commercial wall studs.

ADA Compliant Options

If you need a door that can be used by people in wheelchairs, ask about ADA compliant locks and hardware.

Complies with Strictest Fire Codes Emergency Egress Doors Available

Emergency egress “door within a door” exits allows staff to escape if something goes wrong.

Our Experts Make Designing Easier and Faster

Get fast, expert answers from our experienced customer support team. They can do everything from providing ideas to providing pre-made CAD elements for your final plans.

SL 12 CS

Stack Calculator

CSI Division: 08 35 16

  • Material: 4” wide panel with interlocked 12” polycarbonate panels and 2” solid aluminum panels in a brick design.
  • Hinge: 1 piece continuous aluminum.
  • Pocket Width Opening: 5” minimum.
  • Max Height: 14’, and higher with review.
  • Max Width: unlimited.
  • Weight/Load: 10 lbs per ft² (stacked) and 1.30 lbs per ft² (extended).
  • Stacking: 10% of curtain width plus 3″ per post (estimated calculation)

SL 154

CSI Division: 08 35 16

  • Material: 4” wide aluminum rod and link .
  • Hinge: 2” top and bottom truss-like aluminum panels.
  • Pocket Width Opening: 5” minimum.
  • Max height: 14’, and higher with review.
  • Max Width: unlimited.
  • Weight/Load: 6.5 lbs per ft² (stacked) and 0.75 lbs per ft² (extended)
  • Stacking: 10% of curtain width plus 3” per post (estimated calculation)

SL 525 CS

CSI Division: 08 35 16

  • Material: 4” wide panel with interlocked 12” polycarbonate panels and 2” solid aluminum panels in a brick design.
  • Hinge: 1 piece continuous aluminum.
  • Pocket Width Opening: 5” minimum.
  • Max Height: 14’, and higher with review.
  • Max Width: unlimited.
  • Weight/Load: 10 lbs per ft² (stacked) and 1.30 lbs per ft² (extended).
  • Stacking: 10% of curtain width plus 3″ per post (estimated calculation)

SL AG CS

CSI Division: 08 35 16

  • Material: 4” wide panel with interlocked alternating polycarbonate panels and solid aluminum panels in a checkerboard design. 6”, 9” 12”, 18” patterns available.
  • Hinge: 1 piece continuous aluminum.
  • Pocket Width Opening: 5” minimum.
  • Max Height: 14’, and higher with review.
  • Max Width: unlimited.
  • Weight/Load: 10 lbs per ft² (stacked) and 1.30 lbs per ft² (extended)
  • Stacking: 10% of curtain width plus 3″ per post (estimated calculation)

SL AG PC

CSI Division: 08 35 16

  • Material: 4” wide panel with interlocked alternating polycarbonate panels and perforated aluminum panels in a checkerboard design. 6”, 9” 12”, 18” patterns available.
  • Hinge: 1 piece continuous aluminum.
  • Pocket Width Opening: 5” minimum.
  • Max Height: 14’, and higher with review.
  • Max Width: unlimited.
  • Weight/Load: 10 lbs per ft² (stacked) and 1.30 lbs per ft² (extended).
  • Stacking: 10% of curtain width plus 3″ per post (estimated calculation)

SL AG PS

CSI Division: 08 35 16

  • Material: 4” wide panel with interlocked alternating perforated aluminum panels and solid aluminum panels in a checkerboard design. 6”, 9” 12”, 18” patterns available.
  • Hinge: 1 piece continuous aluminum.
  • Pocket Width Opening: 5” minimum.
  • Max Height: 14’, and higher with review.
  • Max Width: unlimited.
  • Weight/Load: 10 lbs per ft² (stacked) and 1.30 lbs per ft² (extended).
  • Stacking: 10% of curtain width plus 3″ per post (estimated calculation)

SL Opaque

CSI Division: 08 35 16

  • Material: 4” wide interlocked solid aluminum panels.
  • Hinge: 1 piece continuous aluminum.
  • Pocket Width Opening: 5” minimum.
  • Max Height: 14’, and higher with review.
  • Max Width: unlimited.
  • Weight/Load: 10 lbs per ft² (stacked) and 1.30 lbs per ft² (extended).
  • Stacking: 10% of curtain width plus 3″ per post (estimated calculation)

SL Paravent

CSI Division: 08 35 16

  • Material: Perforated aluminum interlocked in 4” wide interlocking panels.
  • Pocket Width Opening: 5” minimum.
  • Hinge: 1 piece continuous aluminum.
  • Max Height: 14ft, higher with review.
  • Max Width: unlimited.
  • Weight/Load: 9 lbs per ft² (stacked) and 1.10 lbs per ft² (extended)
  • Stacking: 10% of curtain width plus 3″ per post (estimated calculation)

SL Prestige

CSI Division: 08 35 16

  • Material: Polycarbonate panels interlocked in 4” wide aluminum frame. Hinge: 1 piece continuous aluminum.
  • Pocket Width Opening: 5” minimum.
  • Max Height: 14’, and higher with review.
  • Max Width: unlimited.
  • Weight/Load: 9 lbs per ft² (stacked) and 1.10 lbs per ft² (extended)
  • Stacking: 10% of curtain width plus 3″ per post (estimated calculation)

Features and Options

Single-Piece Hinged Construction

Our patented 1-piece continuous hinge mated with our interlocking panel solves a common problem with security grilles: the ugly “black soot” commonly found in piano hinges. This hinge stays cleaner during the lifetime of the door.

Sorry, this feature is not available with the Slim Line 154 model.

Slimmer 5” Wide Pocket

The slimmer pocket saves space and makes this door much better suited to awkward retrofit situations. The pocket fits easily within typical commercial studs.

Custom Curves with Fast Delivery

Your security door can have almost any type of custom curve. We bend and heat treat these in-house for the fastest possible turnaround time. These are the highest quality custom curves in the industry with the fastest delivery time.

In-stock curves available:

  • 90 Degree 22″, 14″, and 10″ radius
  • 120, 135, 150 Degree 10″ Radius

Colour Options

Available in a clear anodized finish and black anodized (in stock). With a bit more lead time, you can also have bronze, light bronze, and champagne anodized finish.

User-Friendly Locking Posts

Our posts are highly functional and well designed:

  • Many ways to secure the curtain with a wide variety of locking posts.
  • All of our locking posts are completely reversible to accommodate left-hand and right-hand grips.
  • The built-in handle extends the height of the posts so that users of any height, including wheelchair users, can easily grab and move the door.
  • All posts have flush-mounted hardware for sleek look and elimination of snag points.
  • The unique shape makes these our strongest locking posts ever, while making it the easiest to service.

Dust Proof Floor Sockets

  • Floor sockets have a spring-loaded protective cap that prevents the accumulation of dust.
  • Sockets for counters must be food safe to meet health code requirements. They have no bottom to allow food particles to drop through to waste receptacles below the counter. Stainless steel construction meets the strictest health requirements.

Emergency Egress Door

“Door within a door” fire exit is available to meet fire code regulations.

Easy to Change Locks

1” mortise cylinder locks can be easily changed on site to work with your preferred key system. This makes dealing with employee turnover much easier, and allows you to be proactive about security. Optional SFIC housing and cores available.

New 2017 – Optional Maglock

Make keys a thing of the past and easily unlock your door using card readers and keypads. Wall channel posts and Lead posts are now available with Maglock, the electromagnetic lock capable of withstanding 850 lbs of force. Connects to a 12/24 VDC power supply from your existing alarm system.

Materials Options

We have models available made of aluminum rod and link, perforated aluminum, polycarbonate panels, and solid aluminum.

  • Drawing
  • Brochure
  • Warranty
    • Side Folding Doors (all) Warranty
  • Installation
    • Side Folding Installation Instructions
    • Side Folding Post Adjustment Instructions
  • BIM
  • Layout
    • Slim Line with 90 Degree Curve
    • Slim Line Bi-Parting
    • Slim Line Blank Template
    • Slim Line with Custom Curve
    • Slim Line Straight with Fixed End
    • Slime Line Straight with Travelling End
  • SL 12 CS
  • SL 525 CS
  • SL Opaque
  • SL Paravent
    • Product Data Sheet
  • SL Prestige
    • Product Data Sheet
  • Specification
  • Specification
  • Specification
  • Specification
  • Specification
  • Specification
  • Specification
  • Specification
  • Specification