Wall and Ceiling Liner M

Name: Wall and Ceiling Liner M
Brand: Knauf Insulation

This black acoustical liner provides sound resistance for walls and ceilings in theaters, sound studios and more. Made with fiberglass and a black mat facing, it delivers a smooth, tough surface which resists damage during installation and operation.

Applications

Certifications

Product Features

Provides a tough barrier against excessive noise travel. It's designed with a black mat facing, delivering a smooth surface that brings excellent acoustic properties.

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ECOSE® Technology

Our patented, bio-based binder is a smarter alternative to using phenol formaldehyde. It’s been foundational in our commitment to sustainability. To make tomorrow a home for all of us.

Quality Design

This liner delivers excellent thermal properties. It’s made with a smooth, tough surface that resists damage during insulation and holds up to day-to-day usage.

Product Details

Technical Data

Technical Data
Property (Unit)	Test	Performance
Corrosiveness	ASTM C665	Does not accelerate corrosion on steel
Corrosion	ASTM C1617	Pass
Surface Burning Characteristics (flame spread/smoke developed)	ASTM E84, UL 723, NFPA 90A and 90B (IB), CAN/ULC S102 (IB)	25/50

Sound Absorption Coefficients

Wall and Ceiling Liner Sound Absorption Coefficients \| ASTM C423, Type a Mounting
Type		Octave Band Center Frequency (cycles/sec.)
Type		125	250	500	1000	2000	4000	NRC
1.5 PCF (24 kg/m³)	1" (25 mm)	0.18	0.28	0.73	0.85	0.91	0.90	0.70
	1.5" (38 mm)	0.23	0.50	0.87	0.92	0.93	0.93	0.80
	2" (51 mm)	0.37	0.76	1.02	1.00	0.98	0.92	0.95
2.0 PCF (32 kg/m³)	0.5" (13 mm)	0.10	0.17	0.43	0.59	0.73	0.75	0.50
	1" (25 mm)	0.25	0.35	0.69	0.89	0.96	1.01	0.70
	1.5" (38 mm)	0.27	0.55	0.87	0.99	1.00	0.98	0.85

Available in 48" (1,219 mm) wide rolls in lengths of 100' or 50' (30.48 or 15.24 m).

All Product Resources

January 2020 (PDF / 383.59 KB)

Knauf Insulation/Acoustical Insulation/Wall and Ceiling Liner M/knauf-wall-and-ceiling-liner-m-data-sheet

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January 2020 (PDF / 1.67 MB)

Safety Data Sheet - Wall and Ceiling Liner M

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November 2009 (PDF / 287.31 KB)

GREENGUARD Gold - Wall and Ceiling Liner M

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November 2009 (PDF / 277.10 KB)

GREENGUARD Gold - Wall and Ceiling Liner M

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November 2015 (PDF / 154.61 KB)

UL Environmental Claim Validation - Formaldehyde Free - Wall and Ceiling Liner M

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November 2015 (PDF / 154.92 KB)

UL Environmental Claim Validation - Mold Resistant - Wall and Ceiling Liner M

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August 2012 (PDF / 155.63 KB)

UL Environmental Claim Validation - Recycled Content - Wall and Ceiling Liner M

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August 2022 (RVT / 1.27 MB)

Revit File - Equipment Liner M

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