Ecophon Master™ D

Suitable for schools or other premises where strict demands are made on good acoustics and speech intelligibility, and where a concealed grid and demountability is required. Ecophon Master D is installed in a suspended grid system, creating a ceiling with a smooth appearance. The bevelled edges create a narrow groove between each tile. The tiles are easily demountable.
SYSTEM RANGE
Size, mm
600
X
600
T24
Thickness 40
Inst. diagr. m146
m145
m193

The systems consist of Ecophon Master D tiles and Ecophon Connect grid systems, with an approximate weight of 6 kg/m². The tiles are manufactured from high density glass wool. The visible surface is available with three different surface coatings to meet different sound absorption needs: alpha (Akutex T coating), beta and gamma. The back of the tile is covered with glass tissue. The edges are painted. The grid is manufactured from galvanized steel. The system is patened in the US and patent pending in Europe.

SOUND ABSORPTION: Test results accord to EN ISO 354.
Classification according to EN ISO 11654, and the single value ratings for NRC and SAA according to ASTM C 423.
SOUND INSULATION: Dn,c,w=31 dB according to ISO 140-9 and evaluation according to EN ISO 717-1. CAC=33 dB according to ASTM E 1414 and evaluation according to ASTM E 413.
SPEECH PRIVACY: AC(1.5)=190 (Master D/alpha) according to ASTM E 1111 and E 1110. Master D/beta and Master D/gamma are not suitable.

αp Practical sound absorption coefficient
<em>α</em><sub>p</sub> Practical sound absorption coefficient
Frequency, Hz
Ecophon Master D/alpha 200 mm o.d.s.
···· Ecophon Master D/beta 200 mm o.d.s.
--- Ecophon Master D/gamma 200 mm o.d.s.
o.d.s = overall depth of system




— Ecophon Master D/alpha 95 mm o.d.s.
···· Ecophon Master D/beta 105 mm o.d.s.
--- Ecophon Master D/gamma 95 mm o.d.s.
o.d.s = overall depth of system

Product Master D Master D Master D
O.d.s. mm 400 200 95 400 200 105 400 200 95
Absorption class   A A   C C   E E
NRC 0.85               0.9
SAA 0.86               0.93

Master D tile
Section of Master D system
Master D system
The individual tiles are easily demountable
ACCESSIBILITY: The tiles are easily demountable. Minimum demounting depth according to installation diagrams.
CLEANABILITY: Daily dusting and vacuum cleaning. Weekly wet cleaning.
LIGHT EFFICIENCY: White 010, nearest NCS colour sample S 0502-Y, 84% light reflectance (of which more than 99% is diffuse reflection).
INFLUENCE OF CLIMATE: The tiles withstand a permanent ambient RH up to 95% at 30°C without sagging, warping or delaminating (ISO 4611).
INDOOR CLIMATE: Certified by the Indoor Climate Labelling, recommended by the Swedish Asthma and Allergy Association, and can be used in rooms classified as ISO class 6/M3.5.
ENVIRONMENTAL INFLUENCE: Granted the Nordic Swan eco-label. Fully recyclable.
FIRE SAFETY: Reaction-to-fire classifications.
Country Standard Class
UK BS 476 Parts 6&7 Class 0
Europe EN 13501-1 A2-s1,d0
The glass wool core of the tiles is tested and classified as non-combustible according to prEN ISO 1182. The systems are classified as fire protective covering according to NT FIRE 003. See Functional demands, Fire safety.
MECHANICAL PROPERTIES: For information regarding live load and requirements for load bearing capacity, see installation diagrams. Conditions: See Functional demands, Mechanical properties.
Inst. diagr., Size (mm) Max live load (N) Min load bearing capacity (N)
m145, 600x600 40 160
m146, 600x600 40 160
INSTALLATION: Installed according to installation diagram M145or M146, which include information regarding minimum overall depth of system. (Please note: Installation according to M145 makes 60% of the tiles directly demountable. The rest of the panels need to be moved aside before demounting.) Since the tiles need precise positioning, integration of services requires extra care during design and installation in order to achieve a good end result.
Installation Guides (pdf)
Size, mm
600
X
600
Installation Guide IG 145
www.ecophon.com, CADsupport, Product selector, Specification, Maintenance manual
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Quantity specification (excl. wastage)
Installation diagram (M145) for Master D, suspended installation
Size, mm
600x600
Master D 2.8/m²
1 Connect T24 Main runner HD 7101 installed at 600 mm centres 1.7 m/m²
2 Connect Wall bracket 0524 1 for every row of suspended Main runner HD
3 Connect Space bar 0520, installed at 1500 mm centres (max. distance from wall 300 mm) 0.7 m/m²
4 Connect Wall bracket 0525 1 for every row of Space bar
5 Connect Stop clip 2 for every row of Main runner HD
6 Connect Split pin 0523, installed one per joint Main runner/Space bar 1.4/m²
7 Connect Adjustable hanger installed at 1200 mm centres (max. distance from wall 600 mm) 0.7/m²
8 Connect Hanger clip 0.7/m²
9 Connect Angle trim (fixed at 300 mm centres) as required
Quantity specification (excl. wastage)
Installation diagram (M146) for Master D, direct installation
Size, mm
600x600
Master D 2.8/m²
1 Connect T24 Main runner HD installed at 600 mm centres 1.7 m/m²
2 Connect Wall bracket 0524 1 for every row of suspended Main runner HD
3 Connect Stop clip 2 for every row of Main runner HD
4 Connect Adjust direct bracet 1020, installed at 1500 mm centres 1.1/m²
5 Connect Angle trim (fixed at 300mm centres) as required
6 Connect Shadow-line trim (fixed at 300mm centres) as required

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