Squareline Expanded Metal Lay-in Ceiling Tile

Name: Squareline Expanded Metal Lay-in Ceiling Tile
Brand: Fural Soft Akustik

Fural Soft Akustik Squareline

α_w 0.25–0.45Absorber classes D, E

Ceiling

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Manufacturer

Fural Soft Akustik

Fural Soft Akustik is Fural's brand for sound absorbers: ceiling rafts, baffles, acoustic panels, wall absorbers, inserts for grid ceilings and the seamless acoustic plaster phonestop V, mostly made of melamine resin foam and PET. The products come from the former pinta acoustic, whose machines, test reports and many employees Fural took over.

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Documents

Acoustic datasheet Tender text Product information Technical leaflet

Description

Squareline is a lay-in ceiling tile of galvanised expanded metal, supplied with or without a factory-bonded acoustic backing and laid into standard T24 exposed grid systems. It can form a closed ceiling from wall to wall or a ceiling raft with no wall connection. Typical settings are offices and conference rooms, entrance and reception areas, retail and exhibition spaces and event halls.

Technical data

Material: Expanded metal of electrolytically galvanised sheet steel, powder-coated

Surface: Mesh length 16 mm, mesh width 11 mm, strand width 1.75 mm, open area 68.2 %

Up to fire class: A2-s1,d0 without backing, A2-s2,d0 with backing (DIN EN 13501-1)

Certifications: German general building authority test certificate (abP) P-NDS04-456

Colours: Chrombrillant (glossy metallic effect), white (similar to RAL 9010), special RAL colours on request

Measurement data

Sound absorption

ISO 354 – reverberation chamber· 16 variants

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α_w

0.35

Frequency values

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		Value
as a closed ceiling	cassette insert 5 mm	α_w0.35
as a closed ceiling	glass and cellulose fleece	α_w0.30
as a raft	cassette insert 5 mm	α_w0.25
as a raft	glass and cellulose fleece	α_w0.25

Absorber class: D

Test report: 1178-002-08

Institute: SG Bauakustik

Measurement date: 18/11/2008

Distance: 100 mm suspension height

Perforation: expanded metal, open area over 55 %

Test setup: as a closed ceiling

Absorber: cassette insert 5 mm

Measured values as a table (16 measurements)

Squareline Expanded Metal Lay-in Ceiling Tile: sound absorption coefficient αs per ISO 354 by frequency and test build-up
Build-up	α_w	Absorber class	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
expanded metal, open area over 55 % · 100 mm suspension height · as a raft	0.25	E	0.07	0.05	0.03	0.08	0.07	0.06	0.14	0.21	0.27	0.30	0.34	0.36	0.34	0.47	0.44	0.47	0.47	0.47
expanded metal, open area over 55 % · 200 mm suspension height · as a raft	0.30	D	0.05	0.13	0.11	0.07	0.18	0.15	0.19	0.24	0.26	0.28	0.29	0.34	0.34	0.41	0.44	0.45	0.42	0.43
expanded metal, open area over 55 % · 300 mm suspension height · as a raft	0.25	E	0.05	0.13	0.15	0.15	0.16	0.12	0.19	0.20	0.20	0.23	0.28	0.31	0.36	0.41	0.45	0.46	0.48	0.48
expanded metal, open area over 55 % · 500 mm suspension height · as a raft	0.30	D	0.19	0.21	0.20	0.23	0.24	0.27	0.28	0.26	0.24	0.27	0.27	0.32	0.35	0.44	0.47	0.52	0.49	0.51
expanded metal, open area over 55 % · 100 mm suspension height · as a closed ceiling	0.35	D	0.07	0.09	0.11	0.07	0.16	0.18	0.24	0.25	0.29	0.34	0.35	0.34	0.31	0.35	0.43	0.45	0.43	0.44
expanded metal, open area over 55 % · 200 mm suspension height · as a closed ceiling	0.40	D	0.15	0.19	0.14	0.17	0.24	0.23	0.33	0.35	0.37	0.40	0.39	0.35	0.36	0.40	0.44	0.48	0.45	0.47
expanded metal, open area over 55 % · 300 mm suspension height · as a closed ceiling	0.40	D	0.19	0.21	0.23	0.28	0.34	0.36	0.39	0.37	0.34	0.36	0.38	0.37	0.39	0.43	0.47	0.46	0.49	0.50
expanded metal, open area over 55 % · 500 mm suspension height · as a closed ceiling	0.45	D	0.29	0.32	0.34	0.39	0.41	0.38	0.36	0.39	0.42	0.39	0.38	0.40	0.41	0.44	0.49	0.52	0.53	0.57
expanded metal, open area over 55 % · 100 mm suspension height · as a raft	0.25	E	0.02	0.02	0.09	0.04	0.10	0.06	0.13	0.15	0.23	0.32	0.42	0.46	0.39	0.38	0.33	0.38	0.37	0.37
expanded metal, open area over 55 % · 200 mm suspension height · as a raft	0.35	D	0.08	0.12	0.08	0.09	0.13	0.16	0.19	0.25	0.30	0.43	0.45	0.38	0.36	0.30	0.33	0.39	0.35	0.35
expanded metal, open area over 55 % · 300 mm suspension height · as a raft	0.35	D	0.09	0.12	0.10	0.10	0.17	0.16	0.22	0.27	0.33	0.41	0.43	0.40	0.33	0.35	0.37	0.42	0.39	0.40
expanded metal, open area over 55 % · 500 mm suspension height · as a raft	0.40	D	0.10	0.12	0.16	0.13	0.19	0.26	0.38	0.39	0.43	0.42	0.37	0.34	0.34	0.37	0.39	0.43	0.40	0.38
expanded metal, open area over 55 % · 100 mm suspension height · as a closed ceiling	0.30	D	0.02	0.05	0.03	0.05	0.09	0.07	0.19	0.25	0.31	0.39	0.41	0.47	0.36	0.28	0.36	0.38	0.34	0.33
expanded metal, open area over 55 % · 200 mm suspension height · as a closed ceiling	0.40	D	0.13	0.09	0.16	0.16	0.23	0.22	0.33	0.35	0.34	0.39	0.42	0.33	0.32	0.37	0.38	0.41	0.37	0.38
expanded metal, open area over 55 % · 300 mm suspension height · as a closed ceiling	0.40	D	0.09	0.12	0.18	0.20	0.32	0.34	0.37	0.35	0.34	0.36	0.41	0.42	0.39	0.39	0.41	0.42	0.40	0.39
expanded metal, open area over 55 % · 500 mm suspension height · as a closed ceiling	0.40	D	0.15	0.21	0.21	0.26	0.33	0.38	0.39	0.34	0.36	0.41	0.43	0.44	0.42	0.42	0.41	0.47	0.43	0.43

Measured values as a table (16 measurements)

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Last updated: 02/11/2026

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