Twin-wall seals
Twin-wall seals ensure reliable sealing of windows and doors. Their multi-wall profile geometry provides high flexibility, good resilience and improved insulation. This effectively keeps out draughts, moisture and noise and significantly increases the energy efficiency of the entire structure.
Materials for hollow chamber seals
Our hollow chamber seals are available in a variety of materials to suit every requirement:
- PVC – durable, easy to maintain and economical.
- TPE (thermoplastic elastomer) – elastic, temperature-resistant and durable, with excellent resilience.
- Silicone – permanently elastic, UV- and weather-resistant; ideal for demanding applications and extreme conditions.
Colours and custom colours
We supply black, white, brown, grey, beige and transparent as standard. Light grey and basalt grey are also available as special colours. For production quantities of 200 metres or more, almost any RAL colour can be produced.
Variants and models
- Talc-coated versions facilitate installation and reduce friction.
- Models with anti-stretch thread according to GfA technology prevent length changes during installation and use and ensure a permanently accurate fit.
GfA – Expertise in sealing technology
With over 5,312 standard profiles, its own toolmaking facility, 17 extrusion lines, rapid prototyping and a wide range of materials, GfA offers solutions for almost every requirement. Made in Germany stands for precision, consistently high quality and reliable availability.
Advantages at a glance:
- Materials: PVC, TPE, silicone
- Colours: standard + special colours, custom colours from 200 m
- Variants: talcum-coated, with anti-stretch thread
- Quality Made in Germany
With GfA hollow chamber seals, you can rely on precision, comfort and durability – for permanently secure and efficient sealing systems.