Manufacturer

Lindner Group

Lindner Group, Arnstorf: metal ceilings, heating and cooling ceilings, raised floors, wall and ceiling linings and the MUTE+ sound absorber line.

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Documents

EPD Fire protection Datasheet

Plafotherm St expanded metal ceiling

Name: Plafotherm St expanded metal ceiling
Brand: Lindner Group

EPD available

Description

Expanded metal heating and cooling ceiling. A perforated sheet with acoustic fleece and a register on the rear is inserted into the expanded metal tray; the absorption takes place at this sheet. With the Plafotherm Cu register, the nominal cooling capacity is 96.60 W/m² and the nominal heating capacity 122 W/m², with a 150 mm open joint all round 117 and 129 W/m² respectively, in each case at 10 K per EN 14240 and 15 K per EN 14037:2003 and referred to the active area.

Technical data

Material: Galvanised steel sheet, expanded metal ceiling panel

Surface: Powder coating COLOURline, MOODline deep matt, expanded metal MESHdesign

Up to fire class: A2-s1,d0

Certifications: CE per EN 13964, EPD per EN 15804, TAIM technical manual for metal ceilings, VOC emission class A+, Indoor Air Comfort Gold

Measurement data

Sound absorption

Reverberation chamber (ASTM C423 / ISO 354)· 2 variants

NRC

0.65

Frequency values

α_p per octave band

f (Hz)	125	250	500	1k	2k	4k
α_p	0.55	0.80	0.70	0.55	0.45	0.35

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Compare	Value
	NRC0.65
	NRC0.60

Test report: M66 877/7

NRC: 0.65 (derived from ISO 354 lab data)

Measurement date: 2007-11-30

Absorber: 0.8 in

Application: with heat-conducting profile

Distance: 7.9 in

Perforation: 16 x 11 x 1,5 x 1,0

Measured values as a table (2 measurements)

Plafotherm St expanded metal ceiling: sound absorption coefficient αs per ISO 354 by frequency and test build-up
Build-up	NRC	100 Hz	125 Hz	160 Hz	200 Hz	250 Hz	315 Hz	400 Hz	500 Hz	630 Hz	800 Hz	1000 Hz	1250 Hz	1600 Hz	2000 Hz	2500 Hz	3150 Hz	4000 Hz	5000 Hz
16 x 11 x 1,5 x 1,0 · 200 mm · with heat-conducting profile	0.60	0.36	0.50	0.58	0.69	0.80	0.79	0.77	0.76	0.62	0.48	0.46	0.48	0.43	0.40	0.38	0.35	0.32	0.31
16 x 11 x 1,5 x 1,0 · 200 mm · with heat-conducting profile	0.65	0.39	0.56	0.68	0.76	0.84	0.82	0.77	0.76	0.63	0.55	0.55	0.53	0.49	0.45	0.41	0.38	0.36	0.35

Measured values as a table (2 measurements)

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Last updated: 09/14/2026