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Over 5,000 standardised sealing profiles in the range

Development, production,
complete range - we offer everything.

Largest sealing programme.
Made in Germany.

Your gasket manufacturer for customised solutions and over 5,000 standard profiles.

The component - perfect with the right seal. And that is our passion. With in-house toolmaking, rapid prototyping, a wide range of materials and the full commitment of more than 100 employees. We develop solutions - on 17 extrusion lines and with the highest technical standards. Knowledge and expertise become quality - in use throughout Germany and internationally. That is GfA!

Our product range

Latest news

Sticker Aufmaß App

New: GfA seals in the practical measurement app

Good news for all processors and specialist companies: GfA seals are now integrated into the measurement app. This makes the path from measurement to inquiry or order much easier, faster, and safer. Since the measurement process can determine the success of a project, this step must be carried out with particular care – the app makes it noticeably easier: Select or photograph the appropriate seal, mark the measurement point, add frame type and dimensions, and transmit the data to GfA. Simply more practical, without transmission errors, and with significant time savings. A practical solution for greater efficiency and safety!

The GfA trade fair team at FRONTALE 2026

FRONTALE 2026: Partner, Products, Practical Solutions

The world’s leading trade fair for windows, doors and façades – once again an experience with valuable encounters, intensive exchange and productive discussions. Alongside our comprehensive product range, our trade fair presence focused in particular on application-oriented solutions for everyday use. These include, for example, flocked or fluorinated sealing profiles for optimized sliding properties, innovative anti-stretching-string to prevent longitudinal elongation, and co-extruded profiles for easier installation.

From our extensive material portfolio to practical support in planning, selection and processing: GfA is your reliable solution partner for sealing applications with the highest demands on functionality, efficiency and suitability for practical use. What can we do for you?

Die GfA bei LinkedIn

The world of GfA

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Sealing profiles accurate to the millimetre, expert advice and the right sealing solution for every application - directly from the seal manufacturer. We supply industry, commerce and trade and seal everything. Welcome to the world of GfA:

Largest sealing programme +++ Sealing profiles for wooden doors +++ Made in Germany +++ Sealing profiles for steel frames +++ Silicone rubber +++ Energy-saving seals +++ Free delivery +++ Self-adhesive sealing profiles +++ Rapid prototyping +++ Sealing profiles for vehicle construction +++ Say goodbye to draughts +++ Sealing profiles for conservatories +++ Calibration tool +++ Sealing profiles for retrofitting +++ Anti-streching string +++ Sealing profiles for window systems made of wood, aluminium, wood-aluminium, steel +++ own toolmaking +++ renovation seals +++ directly from the seal manufacturer +++ erosion technology +++ sealing profiles for replacement +++ delivery from 5 meter

Our promise:

... for 100% customer satisfaction:

  • 1.25 million metres of profiles in stock
  • Customised production from 200 metres thanks to in-house toolmaking
  • Free sampling
  • Numerous advertising materials for support
  • Customer service on all channels
  • Perfection in detail
  • Flexibility
  • Fast production
  • Joint realisation of individual solutions