WON-DOOR MODEL 245
FOLDING PARTITION/ACCORDION DOOR
DRAFT SPECIFICATION

DIMENSIONS, WEIGHTS AND MEASURES:

A. Hanging weight of the partition shall be 18kg / m2.

B. Stack ratio 146mm per lineal metre of opening width + 152 for lead post.

C. Maximum height 6000 mm.

D. Sound transmission coefficient (STC) 43.

1. GENERAL SPECIFICATIONS:

Folding partitions shall be Won-Door Model 245 Audio- Flame as supplied by Acoustic & System Sales and shall be installed by an authorized installer.

2. OPERATION:

Folding partition shall be top supported on dual tracking and be manually electro/mechanically operated.

3. CONSTRUCTION:

Shall consist of two parallel walls of panels, independently suspended with no inner frame or interconnections except at the leadpost. Panels shall be connected by full height extruded vinyl hinges. Interior surface of both walls shall be completely covered with a continuous blanket of high density foil- backed fibreglass insulation secured to each panel with patented steel spring clips.

4. PANELS:

Shall be 115 mm wide x 1.60 mm thick extruded aluminium, v-grooved for maximum strength and resilience.

5. PANEL FINISH:

Shall be electrostatically powder coated and shall be moisture, mildew and corrosion resistant. Panel and hinge colour shall be selected from standard colour range.

6. SUSPENSION SYSTEM:

Shall consist of two extruded aluminium tracks spaced 152mm on centre (203mm for motor operated partitions) attached to the overhead structural support in accordance with the manufacturer's recommendations. Each panel shall be suspended by a steel hanger pin and a 25mm diameter nylon-tyred double steel-raced ball bearing roller.

7. LEADPOSTS:

Each leadpost shall be supported by a 12 wheel ball bearing carrier and shall be 150 mm x 40 mm x 3.15 mm extruded aluminium connected to the body of the partition by specially designed extruded aluminium panels.

8. HARDWARE:

Shall include standard grip type handles and sliding latch to effect closure. (provisions for key locking shall be optional)

9. PERIMETER SEALS:

Shall consist of continuous extruded vinyl sweep strips attached to the top and bottom of the partition. Leading edges of the leadpost and receiver post shall be acoustically sealed by extruded vinyl interlocking seals.

10. LABORATORY ACOUSTICAL PERFORMANCE:

The folding partition shall have been tested by an independent acoustical laboratory in accordance with A.S.T.M E90 test procedure and shall have attained an 43 STC rating.

11. COMBUSTIBILITY:

Folding partitions shall be constructed of non-combustion sustaining materials and be designed in such a way as to provide an effective sound barrier.

12. MANUFACTURER'S GUARANTEE:

The folding partition shall be guaranteed against defects in materials or workmanship for a period of 10 years from date of purchase


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