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Insulation fixing FID

Thermal bridge-free installation in insulation materials

The fischer insulation fixing FID is a plug for fixing light fixtures in plastered and non-plastered insulation panels made from polystyrene and polyurethane. The fischer FID is set by hand or using a cordless screwdriver. The special spiral thread taps itself in the insulating board. The fixtures - such as letterboxes, lamps, and motion detectors - can be secured with a 4.5 mm or 6 mm screw.

Product Description

  • Since the anchor is set exclusively in the insulation itself, fixtures can be installed without thermal bridges.
  • The geometry of the FID allows for a simple installation in thin layers of plaster, without the need for pre-drilling, thus saving a stage of installation.
  • The FID 50 is used in thin insulating boards from 50mm. The FID 90 is used in thicker insulating boards, and can bear higher loads.
  • The bit mounting allows for setting with standard tools, thus allowing for a fast and economic installation.

Available Product Variants


Application and Permission

To fix lightweight fixtures in plastered and non-plastered insulating boards made of polystyrene and polyurethane.
The areas of application are:
  • Façade construction (ETICS)
  • Insulating construction
  • Electric construction
  • Refrigerated and climate construction
  • Acoustic construction
Building materials
  • Non-plastered, pressure-resistant insulating boards
  • Plastered, pressure-resistant insulating boards
  • ETICS insulating boards
* You can find detailed information on building materials in the registration document.

Assembly Instruction

  • The FID can be set in the insulating board with a cordless screwdriver or by hand.
  • For thick layers of plaster a pre-drilling (6 mm) is recommended.
  • The special spiral thread taps itself in the insulating board.
  • Water ingress in the insulation can be prevented by sealing the plug collar with a suitable sealant after successful pre-positioned installation.
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Mounting Picture
Mounting Picture

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