Self-supporting double skin metal faced insulating panels with mineral wool core can be used as external cover on sloping roofs in all types of buildings.


They are distinguished for:
  • Exceptional reaction to fire, (class A2 s1 d0)
  • Exceptional fire resistance, REI class
  • Excellent thermal insulation capacity, U value
  • Very good carrying capacity as a roof panel


Produced with:
  • 1000mm cover width and nominal thickness 50mm, 60mm, 80mm, 100mm, 120mm, 150mm
  • in custom lengths from 2m to 14m, depending on the project

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Characteristic Materials


Insulated high density mineral wool core

The high-density mineral wool insulation core offers excellent resistance to fire and thermal transmittance. The mineral wool is bio-soluble and does not contain or release dangerous substances for health and environment.
Essential characteristics:
  • Density, 100 kg/m3 (and 120 kg/m3 on request)
  • Thermal conductivity λ, 0.033 W / mK
  • Reaction to fire, non-flammable, category A1


Metal Sheets Options

Prepainted and galvanized 0.50mm thick steel sheets are usually used. Optional there are available metal sheets from different materials and thicknesses

  • Steel prepainted and galvanized or with aluminum alloy protective coating, according to EN 10346 & EN 10143, from 0.35 mm to 1.0 mm, with Polyester, Plastisol, PVDF color coatings.
  • Aluminum alloy of series 1xxx, 2xxx, 3xxx, plain or pre painted with Aluzinc protective coating, according to EN 508-2, with a nominal thickness of 0.35 mm to 1.0 mm.
  • Stainless steel, AISI 304 2B or AISI 316 L, from 0.35 mm to 1.0 mm, without color coating, mat or gloss.


External face profiles

External metal face with trapezoidal profile 42/250 (five peaks) and light corrugation Box between the peaks. Optionally, can be Embossed.


Internal face profiles

Internal face profiles without light formation flat or with light formation such as Box 83 (39-44). Upon request, the internal face may be perforated. Perforated steel faces are available in two Ral colors, RAL 9005 for reduction of reflections and RAL 9002.


Please ask us about the available coatings (Polyester, Plastisol, PVDF, Food Safe, Non-Toxic and Anti-mold) and colors (RAL1014 to RAL 9010).

Coatings and Colors Options

Classic Polyester paint

Polyester paints are the most common and most economical coatings. They are suitable for both external and internal surfaces. With a nominal coating thickness of> 20µm they have a very good resistance to external environmental conditions.

Durable Plastisol Paint

Plastisol coating is very durable to external environmental conditions. It belongs to the category of “self-healing” coatings on mechanical damage. With a nominal coating thickness of 200µm it is suitable for outdoor applications where the durable requirements are high.

High req PVDF paint

PVDF paint is suitable for buildings of architectural applications where the texture and color retention are important. The nominal thickness of the coating is 50µm and is classified in category s1, in terms of its reaction to fire.

Coating color options

An extremely large number of color coating options are available. Please refer to our sales department for the available colors (RAL1014 to RAL 9010).

Essential Properties

Nominal Thickness Panel Weight * Thermal transmittance ** Fire Resistance Index ***
[mm] [kg/m2] [W/m2.K]
50 15,2 0,63 REI 45
60 15,9 0,53 REI 120
80 18,3 0,40 REI 120
100 19,9 0,32 REI 120
120 22,2 0,27
150 25,3 0,21 REI 240

* Weight per unit length was calculated taking into account the core density of 100 kg/m3, and the nominal thickness of steel faces 0.50mm / 0.50mm.

** Thermal transmittance coefficient was calculated taking into account the core density 100 kg/m3, thermal conductivity coefficient of 0.033 W/mK and the nominal thickness of steel faces 0.50mm / 0.50mm.

*** Mineral wool wall covering panels are classified in notified laboratories, according to EN 13501-1 and EN 13501-2, in terms of reaction and resistance to fire. Please request the classification report.

Connection/Support Options

Mineral wool roof covering panels are fixed to the bearing structure by the standard method of visible anchoring.

They are designed as covering panels for roofs with a slope of not less than 10%. On sloping roofs with a slope of more than 10% it is recommended to install more than one panel in the slope direction. In this case the panels must have an overlap configuration. The transverse overlap can be right or left depending on the project specifications. The length of the overlap varies from 50mm to 300mm. The panels are usually supplied without overlap and cross-cut (removing part of the internal sheet and core) is done at the project site.

The characteristic design of the joints of the panels in combination with the use of sealants minimizes panel-to-panel spaces and thus achieves:

  • Reduce the thermal bridges to a minimum
  • Increase fire resistance
  • Restriction of air and moisture penetration
  • Minimize installation time
  • Limited use of extra accessories

Accessories / Items

If you havent found the suitable product, do not hesitate to contact us!

We will be happy to inform you about product specifications and assist you with your project. Contact us!