Sombra
Sombra™ Ds
System range
Size, mm
600x600 1200x600
T24 • •
Thickness 20 20
M227 M227
System and product description
For applications requiring a dark ceiling having low light reflection and a concealed grid, but where individual tiles must be demountable. Ecophon Sombra Ds 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. The system consists of Ecophon Sombra Ds tiles and Ecophon Connect grid systems, with an approximate weight of 4 kg/m² (7 kg/m² with X-bass). The tiles are manufactured from high density glass wool. The visible surface is a matt black batch painted glass tissue and the back of the tile is covered with glass tissue. The edges are painted. For special applications i.e. cinemas, tiles with a sound reflecting surface, Sombra Ds/gamma, is available. To improve absorption in the low frequency range, Sombra X-bass can be installed on top of the suspended ceiling. For more information see application "Ecophon in Cinemas". For best performance and system quality, use Ecophon Connect grid and accessories. The grid is manufactured from galvanized steel.
Acoustics
Acoustic:
αp Practical sound absorption coefficient
Sombra_Ds_abs1 Frequency Hz
— Ecophon Sombra Ds 200 mm o.d.s.
···· Ecophon Sombra Ds/gamma 200 mm o.d.s.
--- Ecophon Sombra Ds/gamma + Sombra X-bass 200 mm o.d.s.
··· Ecophon Sombra Ds 50 mm o.d.s.
o.d.s = overall depth of system
Sound Absorption: Test results according 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: Not applicable.
Sound Privacy: Not applicable
Product Sombra Ds Sombra Ds Gamma Sombra Ds Gamma + X-Bass
o.d.s mm 50 200 400 50 200 200 400
absorption class B A E E E
NRC 0,85 - 0,85 - - - 0,3
SAA 0,84 - 0,84 - - - 0,29
αw
Technical properties
Accessibility: The tiles are easily demountable. Minimum demounting depth according to installation diagrams.
Cleanability: Weekly dusting and vacuum cleaning.
Visual appearance: Black 997, nearest NCS colour sample S 9000-N, 3-4% light reflectance.
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 and recommended by the Swedish Asthma and Allergy Association.
Environmental influence: Granted the Nordic Swan eco-label. Fully recyclable.
Fire safety: 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 Technical properties, Fire safety.
Country Standard Class
Europe EN 13501-1 A2-s1,d0
Mechanical properties: For information regarding live load and requirements for load bearing capacity, see installation diagrams. Conditions: See Functional demands, Mechanical properties.
Max live load (N) Min load bearing capacity (N)
M227, 600x600 50 160
M227, 1200x600 50 160
Installation: Installed according to system range. (The tiles have to be installed according to the arrows on the back of the tile.)
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