Ceiling Systems

Open Grid

320 Open Cell Lay-On

An open cell ceiling system, manufactured of roll formed Aluminum U profile 24mm/15mm wide, made of upper & lower blades to form a 600x600mm modular panels. Fixed on (24mm or 15mm) T-Grid suspension system, in order to allow easy access to ceiling void. Offered in a versatile range of patterns. Special boxes can be provided for MEP Services.

FEATURES

MATERIAL

Aluminum Alloy as per EN AW 3000 or 5000 series.

THICKNESS

0.45mm to 0.7mm.

+ Custom thickness are available upon

request

SIZES

CELL SIZES (mm):

RAM 321: 75/100/120/150/200/300

RAM 322: 75/100/120/150/200/300

RAM 323: 100 (65×35)

 

BLADE WIDTH (mm):

RAM 321: 24

RAM 322: 15

RAM 323: 0.70

 

BLADE HEIGHT (mm):

RAM 321: 33/50

RAM 322: 37

RAM 323: 50

+ Custom sizes are available upon request

SURFACE FINISH

Plain
Perforated

COATING

Polyester Coating: ((5µ (Back) + 20µ (Face))

Polyester Powder Coating: (70µ -80µ)

INSULATION

Acoustic Black Fleece is non-flammable and meets the standard DIN 4102 / B1. Classifica-tion A1 according to EN 13501-1.

Rockwool slabs conforming to ASTM C612 and equivalent BS 3958-5 are provided for acoustic insulation.

PHYSICAL DATA / PERFORMANCE

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ACOUSTICS

Tested as per BS EN ISO 354: 2003 for sound absorption, noise reduction and sound attenuation.
Maximum NRC achieved with Acoustic Black fleece – NRC 0.75
Maximum NRC achieved with Acoustic Black Fleece and Rockwool Insulation – NRC 1.00
Tested as per ASTM E1414-11a for Airborne Sound Attenuation as per

ISO 10848-2.

Maximum CAC can achieved up to – 48 dB

Perforated & Sound Attenuation cover

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ANTI BACTERIAL COATING

Tested as per JIS Z 2801: 2000, which inhibits the growth of bacteria on the applied surface.

 

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LIGHT REFLECTANCE (LR)

Achieved by the metal ceiling is LR – 0.85-0.96 tested as per ASTM E 1477.

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FIRE PERFORMANCE

Surface Spread of flame Class 1 tested as per BS 476: Part 7: 1997
“Non-Combustible” Material tested as per BS 476: Part4: 1970
Flame Spread and Smoke Development Index tested as per ASTM E84 (Class 1 or A)

COLORS / FINISHES

RAL COLORS

WOOD FINISHES

Standard and custom colors and finishes available upon request.

SURFACE PATTERNS

PERFORATIONS