SupportGlossary of Terms

Expressive term used to describe how side-folding curtains operate.

American Disabilities Act requires locking to be accessible within the following height restrictions: 15-inch (381mm) minimum to 48 inch (1220mm) maximum off floor.

A pair of chains fixed to back of pocket and last panel of an EZ Closure. Includes adjustment bolt to tighten or loosen tension of curtain.

Standard on all USPS models to meet strict clearance specifications. Optional on all other models as alternative to fixed height rod/roller panel allowing up to 3/4″ (19mm) upward or downward height adjustment without removal of installed curtain.

Adjusts easily on site within guide to keep bottom bar tightly secured to floor when lock rod is engaged.

See “Charging Wheel”.

An aluminum strip designed to fit into and align two connecting pieces of track.

An electrolytic etched finish forming a hard protective film on the surface of aluminum. Clear, bronze, gold and black are the most common colors.

Used exclusively on Roll and Fold partitions. The anti-sway latch locks one panel to another at a 6-inch distance to provide stability when moving partition to and from storage area.

Protective bumper attached to the bottom bar that seals to the floor or counter.

Straps attached to the top of posts allowing multi-directional movement so curtain can be pulled at the proper angle. Standard on curtains over 9′ (2750mm) high and on all counter applications.

A Mini Roll-Up term. Refers to the barrel assembly of the shutter.

Steel barrel with a drive shaft at one end and a tension shaft on the other. The counterbalance spring assembly is inside the barrel. Rings may be attached to the barrel. Deflection of the barrel may not exceed .03 per foot.

Used to raise offset from counterbalance barrel where the top slats of a curtain are attached.

Optional steel plates mounted under the support tubes to help distribute weight of the grille/closure on the floor.

A Mini Roll-Up term. Refers to the bottom bar of the shutter. A base slat contains the locking just as a bottom bar for a grille or closure does. A vinyl astragal on the bottom of the base slat prevents marring of counter tops.

Flared upper portion of guides to allow easy entry of the grille/closure curtain.

Guides are mounted to wall directly facing into opening and are often in a pack-out configuration. This mounting could require inside charging wheel and fascia.

A curtain that stacks on both sides of an opening and joins together the same as a lead post into a wall channel with an added Lock Rod to prevent sway. Lock Rod engages into floor socket.

A heavy-duty aluminum extrusion attached to the bottom of the curtain. Locking is located in the center of the bottom bar. An optional bottom bar plate and/or astragal is often included on the bottom bar. ADA requirements locate locking a minimum of 9-inches off the floor.

Mounted to underside of bottom bar for reinforcement and conceals slot in ceiling.

Mounted to the support tube or the angle of the guide assembly. Bracket plates support the barrel assembly on the shafts at each end. These plates also support a motor mounting bracket and hood if required. Size of plates determined by height that forms the coil size.

A mechanical operator using a continuous hand chain and gear reduction to lift grille/closure. Rarely used in commercial or retail locations.

A pair of chains fixed to back of pocket and last panel of an EZ Closure. Includes adjustment bolt to tighten or loosen tension of curtain.

Winds tension to the counterbalance spring assembly and is locked in place to the outside of a bracket plate with a tension pin.

Side Folding: refers to width of opening excluding curtain stack/pocket area. Rolling: actual opening left after the grille/closure is installed. Coil, guides, tubes and angles are not part of the clear opening.

Side folding curtains made of tempered glass, polycarbonate, solid aluminum or perforated steel powder coat painted panels. Rolling curtains made of tempered glass, polycarbonate, solid aluminum and perforated steel slats.

Barrel assembly and curtain in rolled up position.

A Mini Roll-Up term. This represents the counterbalance assembly including a hood and fascia. The terms for Mini Roll-Ups are known as the axle, end caps, cover face and cover top.

Electric wire in a tight coil stretching and retracting from the sensing edge on the bottom bar to a junction box located at mid-door height that is wired to the electric operator.