Butzbach fibreglass

The innovative material for curtain walling and doors

Fibreglass: a sophisticated material which features a multitude of characteristics which makes it ideal for high-tech applications like in the aeronautics and space industry. For the building sector, its main features such as stability, long life, thermal insulation and resilience are completed by a light transmission grade of up to 78%. This creates bright working spaces with a reduced need in artificial lighting during the day. At Butzbach we developed fiberglass as a material for industrial doors, hangar doors and curtain walls already 4 decades ago; since that we produce it on our own production site and apply it successfully. The quality and technical specification of this excellent building component has been improved in a continuous process ever since.

Performances

Light transmittance

  • The fibreglass panels feature a translucence of up to 78%. This creates bright interior spaces without glare effect – and an interesting design at night.

Low proper weight

  • Superior rigidity with low proper weight – similar to wings of glider airplanes fibreglass makes extremely wide span widths possible for curtain walls and doors.

Flexibility and solidity

  • Due to its excellent flexibility fibreglass withstands high pressure like for example wind load. The set-up in form of twin-walled panels combines flexibility with high stability.

Corrosion resistance

  • Fibreglass is also a preferred material in shipbuilding. In the application in our doors and curtain walls we benefit from its resistance against humidity and wetness, aggressive liquids and interchanging temperatures.

Thermal insulation

  • The superior thermal insulation values of out twin-walled fibreglass panels make it ideal for application in Greenland but also in the Sahara desert.

Design options

  • Fibreglass panels can be designed on request. The integration of elements such as windows, doors, ventilation devices is no problem. Even pictures or individual illustrations can be integrated.

No radar reflection

  • Fibreglass is completely free of radar reflections, an important effect for example in airport environments.

Technical data

Panel description Two wearing surfaces made of fiberglass reinforced plastic are connected with a PMMA spacer. Special lugs in these bars allow the utilization of separating foils that make an improve UV value and noise insulation possible
Surface Protection Permanently protected on both sides against weathering and surface erosion by a special process. We give an extended warranty of 10 years against exposure of glass fibres
Thermal insulation Ug value in W/m2K Panels 40 mm: up to 1,4 / Panels 60 mm: up to 1,1 / Panels 150 mm: up to 0,83
Behaviour in case of fire According to DIN EN 13501-1: E normal inflammability, not dripping off when burning
Resistance class Level A3 (acc. DIN 52290), equivalent to P4A (acc. DIN EN 356)
Operative temperature range -20 °C to +70°C
Airborne noise insulation 25 bis 27 dB
UV transmittance up to 380 nmUV 0%
Solar energy transmittance g-value Panels 40 mm: 42% / Panels 60 mm: 35% / /
Radar reflection 100% free of radar reflections
Colours Brilliant / Emerald-Green / Sapphire-Blue
Vanishing / Coating / Integration of images / Anti-Graffiti-coating On request
Sealed face edges The standard four-side pressure-tested lamination of the fibreglass panel protects the panel reliably against permeation of water and dust
Expansion / shrinking Corresponding to Aluminium, approx. 0,023 mm/mK
Permissible spans Production related max. 15 m. Acc. to DIN 1055-Teil 4:2005-03 dependable of the building conditions
Permissible spans Production related max. 15 m. Acc. to DIN 1055-Teil 4:2005-03 dependable of the building conditions
Visual appearance, colour irregularities, surface quality The special material composition and the production procedure of the fiberglass panels may lead to visual irregularities that do not constitute a reason for complaint. The utilization of high-quality raw material, special additives and a modern production procedure help reduce these changes to a minimum.

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