We're all about creating custom

gasholder and biogasholder solutions.

based in austria

Simply better.

With over 15 years of international experience, we’re raising the bar on efficiency, safety, and quality.

Our gasholder and biogasholder solutions are

designed and manufactured to make the difference.

Our membranes are manufactured using the high-frequency (HF) welding process, which ensures a homogeneous and reliable welding result. The membrane patterns are created precisely according to the static requirements using special software. We create custom solutions for each application and facility, perfectly suited to the unique needs of our clients.

Ground-Mounted Double Membrane Gasholder

A universal and robust gasholder — ideal for industries, wastewater plants, and farms. It offers excellent storage capacity, reliable safety, and can be customized to fit your specific requirements. Operating pressures up to 100 mbar.

Tank-Mounted Double Membrane Gasholder

The DMGS-TM is installed directly on concrete steel, or fiberglass tanks, providing safe and reliable gasholder storage with strong stainless steel center support and a durable tensioning net. Perfect for heavy-duty tasks in agriculture and industry. Operating pressure up to 50 mbar.

Emission Protection Roof

This soultion provides effective protection with a hard-wearing membrane stretched over a stainless steel support. It can be re-tensioned and has individually adjustable service openings. The biaxial shape of the membrane means that the roof can be tensioned tightly. The membrane also complies with fire protection class DIN4102-1 B1.

Single-Layer Gasbags

Our single-layer gasbags  are universal storage solutions for biogas and industrial process gases. Cylindrical or flat - any shape is possible and is customized exactly to the requirements. They can be used for pressurized as well as unpressurized applications.

Experience that Lasts

What sets us apart is the experience to create efficient solutions that deliver value for years to come. Our gasholders and biogasholders are a perfect fit for industrial plants, farms, energy suppliers, and municipal services that need durability and top-notch quality. From planning and development to construction and service—we've got you covered.

Innovative & Tailored

That’s what we’re all about.

Custom Gasholder Designs
Custom Gasholder Designs

We design gasholders and biogasholders that are custom-sized and flexible to meet specific needs.

Built to Last
Built to Last

Maximum storage capacity, minimal wear. Designed for long-term durability.

Easy Maintenance
Easy Maintenance

With advanced technologies and careful planning, we minimize maintenance needs and keep costs low.

Top Quality
Top Quality

Made in Austria. Thought through down to the last detail.

Reliable Partners
Reliable Partners

You’re in good hands with us, thanks to our collaboration with the world’s top suppliers and partners.

Full-Service Redefined

Complete support from start to finish.

None

We Operate Globally

Present in countries

all around the world.

Where Energy Matters

Our storage solutions are used across various industries

— from agriculture to manufacturing— turning waste into sustainable energy.

Get in Touch

We’re here to help with every detail and look forward to working with you to develop custom gas and biogas storage solutions together.


For inquiries office@ctex.at

+43 676 480 87 82

+43 660 47 50 844


📍 Höhenstraße 3 | 7574 Burgauberg-Neudauberg | Austria