Download Random Hole Screw Up Acoustic Test Results
These tiles are designed specially for a concealed grid system. Installation is by direct fixing to furring channels.
The tiles are supplied with an integrated sound absorbent batt inserted during casting and are produced in two different patterns.
1. Dimensionally stable will not warp or buckle
2. Not affected by humidity
3. Fire resistant Group 1 rating
4. Acoustic properties
To be used in conjuction with concealed ceiling grid: Rondo Furring Channel No 155 system.
Graph 1: Sound Absorbtion, Plaster Acoustic Ceiling Tiles designated “Random Hole”, with glass wool sound absorbing batt insert
Graph 2: Sound Absorbtion, Plaster Acoustic Ceiling Tiles designated “Random Hole”, with polyester sound absorbing batt insert
Graph 3: 25mm glasswool insulation @ 32 kg/m3; compressed to 20mm Thin plaster skim coat over insulation to seal tile. Sides of tile screw fixed to furring channels
CAC increase by 4dB if R3.5 insulation batts are added, 1800 each side of partition.
Download Random Hole Screw Up Acoustic Test ResultsTile Name: Random Hole Screw Up
Collection: Plaster Acoustic Tile (Screw Up)
Thickness (mm): 30
Size(mm): 600 x 600
% Open Area: 16.6
R Value: 0.80
% light reflective: 0.76
Mass (Kg/sqm):12.50
Edge Finish: V-Edged
Fixing: Concealed
Fiberglass insulation batt:
32Kg/cu.m, 20mm thick Glasswool/Polyester
Group 1 Classification
CAC: 38a / 42b
NRC: 0.70²
CAC: 39a / 43b
NRC: 0.65²
Notes:
a Tile only
b Added R3.5 insulation batts, 1800 each side of partition
²Underside of tile sealed with plaster skim coat