Your selection
MAXFLEX FR STANDARD Flat Sheet 3 mm · 1.2 × 0.9 m
- Thickness (mm)
- 3
- Width (mm)
- 1200
- Length (mm)
- 900
Sound coming in or going out (sound insulation)
Echoey rooms (sound absorption)

Flat elastomeric sheet for air ducts, large chilled-water pipes, tanks and equipment — prevents condensation and reduces energy loss.
No size chosen yet
Answer every step above to ask about that exact item, or ask without choosing.
Ask about this productYour selection
Your selection
Your selection
Your selection
Your selection
Your selection
Your selection
Your selection
Your selection
Your selection
See all models and sizesManufacturer documentsTechnical specifications
Closed-cell EPDM, flat sheet 1.2 × 0.9 m
MAXFLEX FR STANDARD flat sheet is fibre-free closed-cell EPDM insulation in 1.2 × 0.9 m sheets, 3–50 mm thick, for air-conditioning ducts, large chilled-water pipes, tanks and equipment surfaces. The 3 and 6 mm sheets have a skin on one side. Outdoors it should be clad with metal sheet or coated as the maker recommends.
Elastomeric rubber foam · Sheet
Thickness 3–50 mm — Choose a size
The maker recommends FR STANDARD for operating temperatures up to 100 °C; outdoors it should be clad with metal sheet or painted with Maxcoat.
MAXFLEX FR STANDARD catalogue (FLEX 08/24)
Technical data from the manufacturer's documents MaxFlex · Checked 12 Oct 2026
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 |
|---|---|---|---|
| Sheet size | 1.2 × 0.9 m | 3–50 mm thick | MAXFLEX FR STANDARD catalogue (FLEX 08/24), p. 5 |
| Thermal conductivity (λ) | 0.033 / 0.035 / 0.038 W/m·K | at 0 / 24 / 40 °C mean · ASTM C177, ASTM C518, EN ISO 8497 | MAXFLEX FR STANDARD catalogue (FLEX 08/24), p. 3 |
| Density | 48 – 96 kg/m³ | ASTM D1667 | MAXFLEX FR STANDARD catalogue (FLEX 08/24), p. 3 |
| Service temperature range | -57 – 125 °C | — | MAXFLEX FR STANDARD catalogue (FLEX 08/24), p. 3 |
| Reaction to fire | Class 0 (Part 6) · Class 1 (Part 7) | BS 476 | MAXFLEX FR STANDARD catalogue (FLEX 08/24), p. 3 |
| Reaction to fire | 25/50 | flame spread / smoke developed · ASTM E84 | MAXFLEX FR STANDARD catalogue (FLEX 08/24), p. 3 |
| Water vapour diffusion resistance (μ) | ≥ 12,000 | EN 12086 | MAXFLEX FR STANDARD catalogue (FLEX 08/24), p. 3 |
| Model | Thickness (mm) | Width (mm) | Length (mm) |
|---|---|---|---|
| MSF03FR | 3 | 1200 | 900 |
| MSF06FR | 6 | 1200 | 900 |
| MSF09FR | 9 | 1200 | 900 |
| MSF13FR | 13 | 1200 | 900 |
| MSF16FR | 16 | 1200 | 900 |
| MSF19FR | 19 | 1200 | 900 |
| MSF25FR | 25 | 1200 | 900 |
| MSF32FR | 32 | 1200 | 900 |
| MSF38FR | 38 | 1200 | 900 |
| MSF50FR | 50 | 1200 | 900 |
Pack quantities and prices — ask us on LINE
Send the area details or site photos — we'll suggest the model and quantity
Ask via LINECheck the message below, then press “Open LINE”. On a phone LINE opens with this message; on a computer LINE shows a QR code to scan with your phone. If LINE does not open, copy the message into the chat, or call us.
Add us on LINE: @x2525 · Call 062-195-1909