Random Hole

Random Hole Acoustic Tiles


Plaster acoustic ceiling tiles are manufactured from reinforced casting plaster and offer excellent sound absorption, controlled sound transmission and decorative finishes. The tiles are supplied with an integrated sound absorbent batt inserted during casting and are produced in a range of varying designs. These tiles are pre-painted white.

Advantages

1. Dimensionally stable will not warp or buckle
2. Not affected by humidity
3. Fire resistant
4. Acoustic properties
5. Redecoration does not affect the properties
6. Easy removal and replacement

To be used in conjuction with exposed ceiling grid: 24 mm T Bar steel or aluminum 600 x 600 system.


Graph 1: Results with Glasswool - underside of tile sealed - NRC 0.70

randomhole absorbtion

Graph 1: Sound Absorbtion, Plaster Acoustic Ceiling Tiles designated “Random Hole”, with glass wool sound absorbing batt insert


Graph 2: Results with Polyester - underside of tile sealed - NRC 0.65

randomhole absorbtion

Graph 2: Sound Absorbtion, Plaster Acoustic Ceiling Tiles designated “Random Hole”, with polyester sound absorbing batt insert


Graph 3: Results with Polyester - underside of tile sealed - CAC 35

randomhole absorbtion

Graph 3: 25mm polyester insulation @ 32 kg/m3; compressed to 20mm Thin 2mm plaster skim coat over insulation to seal tile

CAC increase by 4dB if R3.5 insulation batts are added, 1800 each side of partition.

Product Specifications

Tile Name: Random Hole

Collection: Lightweight

Thickness (mm): 30

Size(mm): 600 x 600

% Open Area: 16.6

R Value: 0.80

% light reflective: 0.76

Mass (Kg/sqm):12.20

Edge Finish: Bevelled

Fixing: Exposed Grid

Fiberglass insulation batt:
32Kg/cu.m, 20mm thick Glasswool/Polyester


Glasswool Results

CAC: 34a / 38b

NRC: 0.70²


Polyester Results

CAC: 35a / 39b

NRC: 0.65²

Notes:

a Tile only
b Added R3.5 insulation batts, 1800 each side of partition to consistently increase acoustic performance by 4dB

¹Underside of tile exposed
²Underside of tile sealed with plaster skim coat