Your selection
Micro Duct Wrap FRK 38 mm · 16 kg/m³ · 1.22 × 15.25 m
- Thickness (mm)
- 38
- Density (kg/m³)
- 16
- Width (mm)
- 1220
- Length (mm)
- 15250
- R (m²·K/W)
- 1.000
Micro Duct Wrap FRK duct insulation
Glass-wool wrap for the outside of air-conditioning ducts — keeps duct temperature stable, saves energy and controls condensation on cold ducts.
- Thickness
- 25–50 mm
- Density
- 16–32 kg/m³
- Thermal conductivity (λ)
- 0.038 / 0.035 / 0.033 W/m·K 16 / 24 / 32 kg/m³ at 24 °C mean
Choose model and size
No size chosen yet
Answer every step above to ask about that exact item, or ask without choosing.
Ask about this productYour selection
Micro Duct Wrap FRK 25 mm · 24 kg/m³ · 1.22 × 30.5 m
- Thickness (mm)
- 25
- Density (kg/m³)
- 24
- Width (mm)
- 1220
- Length (mm)
- 30500
- R (m²·K/W)
- 0.714
Your selection
Micro Duct Wrap FRK 38 mm · 24 kg/m³ · 1.22 × 15.25 m
- Thickness (mm)
- 38
- Density (kg/m³)
- 24
- Width (mm)
- 1220
- Length (mm)
- 15250
- R (m²·K/W)
- 1.086
Your selection
Micro Duct Wrap FRK 50 mm · 24 kg/m³ · 1.22 × 15.25 m
- Thickness (mm)
- 50
- Density (kg/m³)
- 24
- Width (mm)
- 1220
- Length (mm)
- 15250
- R (m²·K/W)
- 1.429
Your selection
Micro Duct Wrap FRK 25 mm · 32 kg/m³ · 1.22 × 15.25 m
- Thickness (mm)
- 25
- Density (kg/m³)
- 32
- Width (mm)
- 1220
- Length (mm)
- 15250
- R (m²·K/W)
- 0.758
See all models and sizesManufacturer documentsTechnical specifications
Product details
Glass wool, fire-retardant 3-way reinforced aluminium foil
- Thickness
- 25–50 mm
- Density
- 16–32 kg/m³
- Thermal conductivity (λ)
- 0.038 / 0.035 / 0.033 W/m·K 16 / 24 / 32 kg/m³ at 24 °C mean
What is it?
Micro Duct Wrap FRK is a Microfiber glass-wool roll faced with fire-retardant 3-way reinforced aluminium foil. It wraps air-conditioning supply ducts in offices, factories and homes to keep the air temperature stable, save energy and control condensation on cold ducts.
What is it made of?
Glass wool (fibreglass) · Facing: Fire-retardant 3-way reinforced aluminium foil · Roll
Which sizes are available?
Thickness 25–50 mm · 16–32 kg/m³ — Choose a size
Where does the data come from?
Micro Duct Wrap FRK sheet (MI 10/15)
Technical data from the manufacturer's documents Microfiber · 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 |
|---|---|---|---|
| Thermal conductivity (λ) | 0.038 / 0.035 / 0.033 W/m·K | 16 / 24 / 32 kg/m³ at 24 °C mean | Micro Duct Wrap FRK sheet (MI 10/15), p. 1 |
| Facing vapour permeability | 0.02 perm (max) | ASTM E96 | Micro Duct Wrap FRK sheet (MI 10/15), p. 2 |
| Standards / certification | TIS 486, 487 · ASTM · NFPA 90A · Green Label | — | Micro Duct Wrap FRK sheet (MI 10/15), p. 1 |
Models and sizes available
| Model | Thickness (mm) | Density (kg/m³) | Width (mm) | Length (mm) | R (m²·K/W) |
|---|---|---|---|---|---|
| 16 × 38 | 38 | 16 | 1220 | 15250 | 1.000 |
| 24 × 25 | 25 | 24 | 1220 | 30500 | 0.714 |
| 24 × 38 | 38 | 24 | 1220 | 15250 | 1.086 |
| 24 × 50 | 50 | 24 | 1220 | 15250 | 1.429 |
| 32 × 25 | 25 | 32 | 1220 | 15250 | 0.758 |
Pack quantities and prices — ask us on LINE
Applications
Highlights
- Fire-retardant reinforced foil facing
- Helps control condensation on cold ducts
- Several densities and thicknesses
Manufacturer documents
Micro Duct Wrap FRK sheet (MI 10/15)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
Duct and HVAC insulation · Glass wool
Duct Excel ISODEC
- Diameter
- 76–508 mm
- Density
- 16–48 kg/m³
- Service temp.
- -30 – 140 °C
Used together
Installation accessories · Tape
3T INSU-TAPE Aluminium Tape
- Width
- 50 / 63 mm
- Length
- 45 m
- Service temp.
- -20 – 120 °C
Installation accessories · Adhesive
3T INSU-BOND FiberTight
- Service temp.
- -15 – 90 °C
- Coverage
- 7.5 m²/kg
- Pack
- 10 kg
Helpful before you choose
Not sure which model suits your job?
Send the area details or site photos — we'll suggest the model and quantity
Ask via LINE