Rolling Grille:Ventana made of Perforated Aluminum Panels

Rolling Grille Door Curtain - Ventana

Horizontal rods: Continuous double channel extruded aluminum section with "V" groove line appearance on center.

Vertical spacing: Aluminum panel connectors shall be 4 inch (102mm) by 2 1/2 inch (64mm).

Connectors are spaced around 24 inch (610mm) 18 gauge perforated steel panels of powder coat silver paint.

Rolling Grille Bottom Bar: Heavy extruded tubular aluminum.

Rolling Grille Guides: Heavy extruded aluminum shape 2 1/2 inch (64mm) by 1 7/16 inch (37mm) with upset shoulders for curtain retention. Each guide will be fitted with vinyl stripping for quiet operation and to cushion both sides of curtain.

Rolling Grille Support:

1. Support angle: steel angle of recommended size by manufacturer

Or

1. Support tubes: steel tubes of recommended size by manufacturer

Rolling Grille Finish-Exposed Aluminum Parts: Clear Anodized [Champagne Anodized] [Light Bronze] [Bronze Anodized] [Black Anodized] or

• Finish-Exposed Aluminum Parts: [Powder Coat Paint], color as selected by Architect from manufacturer's standard range custom or color as selected by Architect. or
• Finish-Exposed Aluminum Parts: [Baked Acrylic Paint], color as selected by Architect from manufacturer's standard range or custom color as selected by Architect.

Counterbalance: Helical torsion spring assembly set in steel pipe of recommended size by manufacturer to support curtain with a maximum deflection of .03 inch (.76mm) per foot of curtain width.

Bracket Plates: Minimum 3/16 inch (5mm) steel plate to support counterbalance assembly, curtain (and hood, optional)

Locking: Thumb turn cylinder coil side, keyed cylinder exterior.Or

Centered keyed cylinder both sides of bottom bar.

Operation:

Manual push-up

Or

Hand crank from coil side of curtain.

Or

Electric Motor: Size and type recommended by manufacturer

a. Electrical interlocks: mounted on guide or within motor preventing operation when bottom bar is locked.

b. Keyed control stations: Constant contact operation, flush mounted both sides of curtain for secured operation.

c. Emergency Egress Release: Provides a public means for manual operation of the door. This device mounts flush on interior wall and contains a pull handle to disconnect operator from door.