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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

Abbildung Sparschwein

Sealing Tuesday: 20% Off for 8 Weeks

Starting on 23 June 2026, GfA launches Sealing Tuesday. For eight consecutive weeks, our customers will receive an exclusive 20% discount code by email every Tuesday, valid on selected product categories in our online shop.

Campaign Schedule
23 June 2026: Top 24 Steel frame seals
30 June 2026: Top 12 Room and front doors seals
07 July 2026: Silicone seals
14 July 2026: Wooden windows and doors seals
21 July 2026: Top 24 Steel frame seals
28 July 2026: Top 12 Room and front doors seals
04 August 2026: Silicone seals
11 August 2026: Wooden windows and doors seals

The discount codes will be announced exclusively by email on the respective promotion day and are valid only for orders placed on that Tuesday.

The discount applies to online orders of stocked items within the featured product category. Available colours are indicated by the coloured dot shown in the product window. Maximum order quantity: 200 metres per profile. Custom-made and special seals are excluded from the promotion.

Not a customer yet? Now is the perfect time to join us. Register for our online shop today and take advantage of future promotions, new product launches, and many other benefits.

Foto Patrick Witthoeft

Patrick Witthöft, New Sales Project Manager at GfA Dichtungen

With clearer processes and centralized coordination, GfA Dichtungen is strengthening project management in sales. As the new Sales Project Manager, Patrick Witthöft is taking over the coordination of larger customer projects – from evaluating inquiries and internal coordination to supporting implementation. The goal is a more transparent and reliable project process with short communication paths and clearly defined responsibilities. For customers and partners, this means even closer support and a dedicated contact person for more complex inquiries. Patrick Witthöft has been part of GfA Dichtungen for more than 10 years and looks forward to hearing from you: p.witthoeft@gfa-dichtungen.de

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