SupportGlossary of Terms

Last post of the curtain, closest to wall, that is permanently mounted to wall.

Allows for 1 1/2″ (38mm) depth of engagement of the lock rod. Constructed of a heavy gauge steel outer wall and stainless steel spring loaded head, overall dimensions are 2 5/8″ x 3/4″ (67mm x 19mm).

Curtains made of aluminum rods and links making an “open-air” design.

Side tracks of aluminum or steel that retain the curtain in the opening.

Side of the barrel assembly with the drive shaft looking from the coil side.

This is the top section of each curtain panel that contains hanger rod and trolley/roller. These panels along with the post hangers carry the side-folding curtain in the track.

This is a rod that is secured to the bottom of a hanger panel and protrudes through the top of the hanger panel an additional 2-5/8 inches. This space forms the distance between the top of the curtain and the bottom of the track and also the stem for the trolley/roller that ride in the track.

The structural support the track is fastened to that carries the side folding grille or closure.

Aluminum block mounted in pocket adjacent to track on interior so it will catch top stop of travelling end post.

See “Bracket Plates”.

The unobstructed clearance above the clear opening.

Refers to measurement from structural support to finished floor or counter top.

Optional extended life spring assembly for high usage grilles/closures.

Covers the barrel assembly and is supported by the bracket plates and hood supports. Hoods can be made of various materials including galvanized steel, stainless steel, aluminum and vinyl.

Rigid brackets that fit around the center of the coil, bracing hood to keep its shape and reduce sag.

Hookbolt lock assembly activated by keyed mortise cylinder or thumb turn interlocking with wall channel.

Refers to the side of the curtain that is on the secured side.

A post within a curtain located no more than 10′ (3048mm) O.C. for full height and 6′ (1800mm) O.C. for counter height from any other post. Intermediate Posts should be placed on or near center of curves. Intermediate posts have a lock rod that is spring loaded and unlocked with a keyed cylinder or manually. Lock rods engage into floor or counter sockets.

Key activated electrical control device for electric motors. Motor can be wired for constant or momentary contact operation.

Aluminum spring-loaded lever 1 7/8″ (48mm) used as an alternative to the keyed cylinder, thumb turn or paddle device to secure or unlock lead post or emergency egress door.

The first post of the curtain to pull from the pocket or stacked area. This post will have hook bolt lock that secures into a wall channel or be a top & bottom locking post. Of course, if the curtain biparts, each lead post would be half of the bipart.

Extruded aluminum channel that accepts bottom bar of tambour shutter and captures hook bolt.

Keyed cylinder operated device mounted in center of extruded bottom bar throws locking bars into guides to prevent lifting of curtain. ADA lock height location available. Simple slide bolts with hasp are available on some models.

A rod of stainless steel in an intermediate post, top and bottom post and bipart post activated by a spring-loaded cylinder lock or manual pull knob that projects into floor or counter sockets. Rod is adjustable.

The raw finish of extruded aluminum. Mill aluminum will oxidize if not anodized or painted.

Compact rolling shutters and doors. Coil size will range about half the size of standard rolling grilles. Ideal for counter applications, cabinets, windows or small full height door areas.

Refers to the wiring of a key switch or button that activates the electric operator to the open or close cycle. Only a quick turn of the key switch or simple push of a button control is all that is needed. The electric motor will not stop if pressure is released. Almost all commercial and retail applications use constant contact wiring, not momentary contact.

Term often used to describe an electric operator that moves the grille/closure/shutter up and down.

Supports motor from bracket plate or wall on drive shaft side of barrel assembly.

Term used to describe the aluminum extrusions that make up the storefront window frame.