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SCG FPO-G 48 kg/m³ · 25 mm · 1.2 × 2.4 m
- Thickness (mm)
- 25
- Density (kg/m³)
- 48
- Width (mm)
- 1200
- Length (mm)
- 2400
- R (m²·K/W)
- 0.781
SCG FPO-G glass-wool duct liner
Glass-wool board for lining the inside of air-conditioning ducts, faced with perforated aluminium foil; it absorbs air and fan noise travelling along the duct.
- Thickness
- 25–50 mm
- Density
- 48 kg/m³
- Thermal conductivity (λ)
- 0.032 W/m·K 48 kg/m³ at 24 °C mean (test standard not stated)
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SCG FPO-G 48 kg/m³ · 50 mm · 1.2 × 2.4 m
- Thickness (mm)
- 50
- Density (kg/m³)
- 48
- Width (mm)
- 1200
- Length (mm)
- 2400
- R (m²·K/W)
- 1.563
See all models and sizesManufacturer documentsTechnical specifications
Product details
Green glass-wool board faced with perforated aluminium foil · for lining ducts
- Thickness
- 25–50 mm
- Density
- 48 kg/m³
- Thermal conductivity (λ)
- 0.032 W/m·K 48 kg/m³ at 24 °C mean (test standard not stated)
- Service temperature range
- 4 – 230 °C
What is it?
SCG FPO-G is a semi-rigid green glass-wool board faced on one side with perforated aluminium foil. It lines the inside of ducts to absorb noise carried along them, with the faced side towards the airstream. The maker states it is for air velocities up to 10 m/s (2,000 fpm) and 4–230 °C. Density 48 kg/m³; 25 and 50 mm thick.
What is it made of?
Glass wool (fibreglass) · Facing: Perforated aluminium foil (described by the maker as fire-retardant) · Board
Which sizes are available?
Thickness 25–50 mm · 48 kg/m³ — Choose a size
Limitations to know
The maker states a maximum air velocity of 10 m/s (2,000 fpm) and a temperature range of 4–230 °C.
Where does the data come from?
SCG thermal insulation catalogue for air-conditioning and industrial work (pages 8–11: duct liner)
Technical data from the manufacturer's documents SCG · Checked 12 Oct 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.
Models and sizes available
| Model | Thickness (mm) | Density (kg/m³) | Width (mm) | Length (mm) | R (m²·K/W) |
|---|---|---|---|---|---|
| FPO-G 4825 | 25 | 48 | 1200 | 2400 | 0.781 |
| FPO-G 4850 | 50 | 48 | 1200 | 2400 | 1.563 |
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Applications
Highlights
- Faced with perforated aluminium foil
- Absorbs noise inside ducts
- 48 kg/m³; 25 and 50 mm thick
Installation overview
- Line every side of the duct section designed to be lined, with board joints butted tight
- Face the facing towards the airstream; apply adhesive to at least 90% of the board area on the duct side
- Add enough mechanical fasteners for the duct size
- Cut boards to the inner duct size with a sharp knife so edges and facing are not damaged
Always follow the manufacturer's installation and safety instructions.
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
Used together
Installation accessories · Adhesive
3T INSU-BOND FiberTight
- Service temp.
- -15 – 90 °C
- Coverage
- 7.5 m²/kg
- Pack
- 10 kg
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