This item
Aeroflex ACOUSTEX Sheet-Roll 25 mm · 1 in × 4 ft × 24 ft (96 ft²/roll)
- Thickness (mm)
- 25
- Dimensions
- 1 in × 4 ft × 24 ft (96 ft²/roll)
Aeroflex ACOUSTEX open-cell acoustic duct lining
25 mm open-cell acoustic roll for lining HVAC ducts inside or outside — absorbs noise generated in the duct and reduces reflections inside it.
- Thickness
- 25 mm
- Noise reduction coefficient (NRC)
- 0.65 25 mm (test mounting not stated) · ASTM C423
- Thermal conductivity (λ)
- 0.037 ± 0.003 / 0.040 ± 0.003 W/m·K at 0 °C / 24 °C · ASTM C518
Product details
Fibre-free open-cell foam · for lining HVAC ducts
- Thickness
- 25 mm
- Noise reduction coefficient (NRC)
- 0.65 25 mm (test mounting not stated) · ASTM C423
- Thermal conductivity (λ)
- 0.037 ± 0.003 / 0.040 ± 0.003 W/m·K at 0 °C / 24 °C · ASTM C518
What is it?
ACOUSTEX from Aeroflex is an open-cell acoustic material for HVAC ductwork, used as internal or external duct lining. It absorbs noise generated in the duct, adds thermal insulation and contains no fibres — suited to applications needing high absorption and cleanliness such as hospitals, cleanrooms and exhibition halls.
What is it made of?
Open-cell acoustic foam · Roll
Which sizes are available?
Thickness 25 mm — Request a price
Where does the data come from?
ACOUSTEX catalogue (AG/NOV 2025)
Technical data from the manufacturer's documents Aeroflex · Checked 26 Sept 2026
Technical specifications
All values come from the manufacturer's documents, with conditions and test standards. Values the documents do not state are not shown.
| Property | Value | Conditions / standard | Source |
|---|---|---|---|
| Noise reduction coefficient (NRC) | 0.65 | 25 mm (test mounting not stated) · ASTM C423 | ACOUSTEX catalogue (AG/NOV 2025), p. 2 |
| Sound absorption by frequency | 0.19 / 0.60 / 1.00 / 0.91 / 0.92 | 25 mm at 250 / 500 / 1000 / 2000 / 4000 Hz · ASTM C423 | ACOUSTEX catalogue (AG/NOV 2025), p. 2 |
| Thermal conductivity (λ) | 0.037 ± 0.003 / 0.040 ± 0.003 W/m·K | at 0 °C / 24 °C · ASTM C518 | ACOUSTEX catalogue (AG/NOV 2025), p. 2 |
| Service temperature range | -20 – 85 °C | — | ACOUSTEX catalogue (AG/NOV 2025), p. 2 |
| Reaction to fire | Class 0 | BS 476 Part 6 and 7 | ACOUSTEX catalogue (AG/NOV 2025), p. 2 |
Models and sizes available
| Model | Thickness (mm) | Dimensions |
|---|---|---|
| Sheet-Roll 25 mm | 25 | 1 in × 4 ft × 24 ft (96 ft²/roll) |
Pack quantities and prices — ask us on LINE
Applications
Highlights
- Fibre-free
- Internal or external duct lining
- Absorption data by frequency
Manufacturer documents
ACOUSTEX catalogue (AG/NOV 2025)Reference document · ask us on LINE for the file
Related products
Alternatives
Duct and HVAC insulation · Glass wool
Microfiber Micro Duct Liner PFL
- Thickness
- 25–50 mm
- Density
- 32–48 kg/m³
- Sound absorption (NRC)
- 0.70–0.85
Helpful before you choose
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