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Termopan - takes the exterior light in, keeps the heat and cold out
  Termopan from Fibrosan

Termopan double layer translucent FRP panels provide diffuse daylight penetration up to 70% into the facilities, where high thermal insulation and high strength are required. High density polyethylene foam reinforced Termopan FRP panels are produced with Fibroser sheets, therefore have the premium characteristics of Fibroser translucent panels.

Termopan panels fit together perfectly with metal sandwich panels and produced according to the purlin spacings of the customer’s project.

Termopan roof and wall coverings


Termopan double layer translucent FRP panels are:

  • heat resistant from -40 °C to +120 °C minimising heat loss,
  • fully resistant to negative effects of mounting screws and fittings. No fractures or cracks occure over time,
  • waterproof with very low moisture absorption ratio,
  • resistant to chemicals,
  • anticorrosive,
  • resistant to UV and surface aging,
  • resistant to all weather conditions, impacts and crashes.
Termopan FRP, Safety and Strength

Safety, strength

Termopan is classified as Class 1 and Class 3 fire resistant according to BS 476-7. Panels avoid fire spread and extinguish themselves.

Panels are electrical insulators and avoid high voltage arc discharges.

Termopan sandwich panels are resistant to natural stress factors as wind, hail fall, snow load etc., have been tested to ACR (M) 001:2000 by BRE Ltd. UK and are classified as Class B.

Termopan Roof and wall panels

Areas of use

Termopan double layer translucent FRP wall and roof panels are used in:

  • industrial buildings,
  • chemicals production plants and facilities,
  • food industry,
  • sports facilities and thermal pools,
  • tourist facilities,
  • tradeshow, fair and marketplace areas,
  • storage facilities,
  • agricultural and animal breeding facilities, etc.
Termopan Technical Specifications and Quality Standards (click to view)
Termopan Quality Certificates and Standards
Termopan Warrington Fire Test Termopan BRE Impact Test Termopan Thermal Conductivity Test  
Fire Test Certificate
BS 476-7 Class 1 - Class 3
Impact Test Certificate
ACR(M) 001:2000 Class B
Thermal Conductivity
Product samples of Fibroser, the sheets of Termopan, are tested and classified as Class-1 and Class-3 Fire Resistant according to BS 476-7 by Warrington Fire Research. Test results are recorded in reports Nr. 127 370 and 112 736. Samples of Fibroser panels, used in production of Termopan, are tested by BRE England and classified as Class B according to the test method BS 4154 of The British Standards Institution. Test results are recorded in the report Nr. 209 612. Thermal conductivity values of Termopan are tested according to DIN-51046 at the Heat Laboratories of the Faculty of Mechanical Engineering of the Dokuz Eylül University and quoted in the report dated 11.10.2005.  
Termopan Product Range
Definition Standard Extra Acrylic Fire Resistant Anticorrosive
Type of Resin Orthophthalic Acrylic Special Isophthalic
Thickness Standard
Strength High
UV Stabilization - Present
UV Resistance Standard High
Resistance to Weather Conditions High
BS 476-7 Class-1 Fire Resistance - Certificated -
Resistance to Heat and Chemicals Standard High
Termopan Surface Range
Surface Code Description
SS (Standard Surface) No protective layer
FC (Standard Film Coated Surface) Retards the yellowing and abrasion from sunlight
FX (Extra Film Coated Surface) Provides extra UV resistance against extensive sunlight exposure, protects translucency of the panel
ER (Embossed Surface) Increases light diffusion and provides special surface esthetic
GC (Gel-coated surface) Provides optional smoothness for flat panel surface
Termopan Technical Specifications - for 1.8 mm. Fibroser coated panel on both sides
Attribute Standard Unit Value
Tensile Strength ASTM D 5083 N/mm² 64.9
Bending Strength ASTM D 790M N/mm² 256
Elasticity Modulus - N/mm² 7630
Hardness BARCOL 934-1 - 50-60
Thermal Conductivity DIN-51046 W/mk 0.1208 - 0.178
Light Transmission - - %65 - 70
Fire Resistance Class* - Fibroser EXT BS 476 PART 7 - Class 3
Fire Resistance Class* - Fibroser FRT BS 476 PART 7 - Class 1
Non-Fragility Class** ACR(M) 001:2000 - Class B (non-fragile)

* = tested and certificated by Warrington Fire Research/UK.
** = tested and certificated by BRE Ltd./UK.

Thermal Conductivity Value
Material Heat Transfer Coefficient
Termopan (40 mm) 0.02 W/mk
Fibropan / Fibroser (1.8 mm) 0.023 W/mk
Polycarbonate (40 mm) 1.70 W/mk
XPS 0.004 W/mk
Glass wool 0.04 W/mk
Rock wool 0.04 W/mk
Polyurethane 0.025 W/mk
EPS 0.040 W/mk
EXP 0.034 W/mk

The results are quoted from the Heat Laboratory test report of the Mechanical Engineering Faculty of Dokuz Eylül University.

Attribute Tolerance
Unit Weight ± 5%
Thickness ± 15% (corrugated panel)
Width ± 1 cm
Length +1.5 / -1 cm for 0-5 m +2 / -1 cm for 5-10 m +5 / -1.5 cm for <10 m
Daylight requirements for some activities
Type of the Activity i.e. Necessary light (Lux) Min. Area of Translucent Panel
Areas of little use, where limited activit is needed and detailed sense is unnecessary Aisles and Stock houses 100 10 %
Areas of rough labour where limited sense is necessary Loading divisions, factory rooms 200 10 %
Areas of optical work where color selectivity is necessary Packaging facilities, public offices, machinery installation areas, retail stores 300 - 500 13 % - 15 %
Termopan Profile Range (click to view)
Face 501 - Underside 502 Face 503 - Underside 504
Termopan Profile Termopan Profile
Profile Form Thicknesses (mm) Profile Form Thicknesses (mm)
Atermit İsopanel (40 mm) minimum 1.5 (501) - 1.2 (502) Mepan 35/250 (40 mm) minimum 1.5 (503) - 1.2 (502)
Face 515 - Underside 510 Face 525 - Underside 526
Termopan Profile Termopan Profile
Profile Form Thicknesses (mm) Profile Form Thicknesses (mm)
Tekiz 1015 (40 mm) minimum 1.5 (515) - 1.2 (510) Aluform 35/250 (50 mm) minimum 1.5 (525) - 1.2 (526)
Face 535 - Underside 536 Face 540 - Underside 541
Termopan Profile Termopan Profile
Profile Form Thicknesses (mm) Profile Form Thicknesses (mm)
Mepan 35/250 (50 mm) minimum 1.5 (535) - 1.2 (536) Aluform 42/250 (40 mm) minimum 1.5 (540) - 1.2 (541)
Face 555 - Underside 556 Face 892 - Underside 915
Termopan Profile Termopan Profile
Profile Form Thicknesses (mm) Profile Form Thicknesses (mm)
Aluform 42/250 (56 mm) minimum 1.5 (555) - 1.2 (556) Assan 915 R3 (40 mm) minimum 1.5 (892) - 1.2 (915)