Designed to provide trusted thermal and acoustical performance for HVAC equipment where air erosion resistance is required. This flexible liner is made from fiberglass and ECOSE® Technology. It's naturally brown with a black mat facing adhered to the airstream side that’s treated with an EPA registered anti-microbial agent. The smooth, tough surface helps resist damage during fabrication, installation and operation.

Applications

Certifications
Product Features
Thermal Performance
Delivers excellent thermal properties for equipment where air erosion resistance is required. It’s designed for systems operating at temperatures up to 250° F (121° C).
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Noise Reduction
Designed with a black mat facing to give the airstream a smooth surface that resists air erosion. It stands strong against systems operating at velocities up to 170 mph — 6,000 ft./min.
ECOSE® Technology
Our patented, bio-based binder is a smarter alternative to using phenol formaldehyde. It’s been foundational in our commitment to sustainability. For the world we live in.
Product Details
Technical Data
Technical Data
Property (Unit) Test Performance
Corrosiveness ASTM C665 Does not accelerate corrosion of steel 
Corrosion ASTM C1617 Pass 
Air Velocity ASTM C1071 Maximum 6,000 ft./min. (1,829 m/min.)
Water Vapor Sorption (by weight) ASTM C1104 Less than 3%
Maximum Service Temperature ASTM C411 250° F (121° C)
Mold Growth ASTM C1338, ASTM G21 Pass. The airstream surface mat facing is treated with an EPA-registered anti-microbial agent to aid in the prevention of fungal and bacterial growth
Surface Burning Characteristics (flame spread/smoke developed) ASTM E84, NFPA 90A and 90B UL 723, CAN S102 UL Classified FHC 25/50
Forms Available
Forms Available
Density Thickness Width Length Current Minimum (ft²)
1.5 PCF (24 kg/m³) 1" (25 mm) 16"–48" (914–1,219 mm), 
60"–96" (1,829–2,438 mm)
100' (30.48 m)  38,000
1½" (38 mm) 50' (15.24 m) 27,000
2" (51 mm) 50' (15.24 m) 20,000
2.0 PCF (32 kg/m³) ½" (13 mm) 100' (30.48 m) 54,000
1" (25 mm) 50' (15.24 m) 31,000
1½" (38 mm) 50' (15.24 m) 20,000
Thermal Resistance R
Thermal Resistance  |  ASTM C518, 75° F Mean Temperature
Density Thickness R-Value  @ 75° F (24° C)
1.5 PCF (24 kg/m³) 1" (25 mm) R-4.2
1½" (38 mm) R-6.0
2" (51 mm) R-8.0
2.0 PCF (32 kg/m³) ½" (13 mm) R-2.1
1" (25 mm) R-4.2
1½" (38 mm) R-6.3
Sound Absorption Coefficients
Sound Absorption Coefficients | ASTM C423, Type A Mounting
Octave Band Center Frequency (cycles/sec.)
Type 125 250 500 1000 2000 4000 NRC
1.5 PCF
(24 kg/m)
1" (25 mm) 0.18 0.28 0.73 0.85 0.91 0.90 0.70
1½" (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)
½" (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
1½" (38 mm) 0.27 0.55 0.87 0.99 1.00 0.98 0.85
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