KOLOS: The membrane that goes the distance
Built to endure. Designed for real public pools.
When it comes to public swimming pools, durability is essential. High footfall, continuous use, chemical treatments and constant exposure to the elements require a pool membrane that doesn’t just perform well at installation, but maintains performance over time. That is where KOLOS by RENOLIT ALKORPLAN makes the difference.
A reinforced pool membrane designed for long-term performance
Presented for the first time at Piscine Global 2024, KOLOS represents a new generation of reinforced membranes for public and commercial swimming pools. Inspired by the concept of a Colossus, KOLOS was engineered to deliver strength, reliability and stability in the most demanding pool environments, where durability is a necessity, not an option.
Durability engineered for public swimming pools
Built to withstand constant use.
With a thickness of 1.5 mm, KOLOS is specifically designed to resist: high foot traffic, intensive cleaning routines, high chlorine levels and abrasive chemical treatments. Whether installed in municipal pools, water parks or large hotel facilities, KOLOS provides a dependable waterproof barrier that preserves both functionality and appearance year after year.
When durability becomes a sustainable choice
Long life means lower environmental impact
True sustainability starts with durability. Each KOLOS membrane integrates 40% recycled material and is RecyClass certified, combining responsible material sourcing with the technical performance required for public-use pools. By extending the lifecycle of the pool membrane and reducing the need for early replacement, KOLOS helps reduce waste and long-term environmental impact, especially in swimming pools designed to serve communities for decades.
Reliable solutions backed by long-term guarantees
Peace of mind for professionals and pool owners
KOLOS is supported by 20-year waterproofing guarantee and 5-year warranty against staining. These guarantees provide confidence to pool owners, public authorities, designers and installers, ensuring predictable performance over time and reduced maintenance concerns.
KOLOS is available in two carefully selected shades, chosen for their durability and visual stability:
- Zephir
- Delos
A limited palette designed to stand the test of time in public swimming pool environments.
REAL CASE:
KOLOS in real public-use environments
Aquavelis Aquatic Park: pool renovation with KOLOS
The true performance of a reinforced pool membrane for public swimming pools is proven in real operating conditions. A clear example is the renovation of Aquavelis Aquatic Park, a large aquatic facility characterised by high visitor numbers, continuous water movement and intensive chemical treatments. For this renovation, durability, safety and long‑term reliability were key requirements. The solution selected was KOLOS by RENOLIT ALKORPLAN, a reinforced membrane specifically developed for public pools and aquatic parks with heavy use. Thanks to its 1.5 mm thickness and high resistance to chlorine, wear and mechanical stress, KOLOS provides a durable waterproof barrier capable of maintaining performance and appearance season after season. Sustainability also played an important role in the project. With 40% recycled material and RecyClass certification, KOLOS supports a responsible approach to pool renovation by extending service life and reducing the need for frequent replacements. The result is a renovated aquatic environment designed to perform reliably over time, supported by a 20‑year waterproofing guarantee, even under the demanding conditions of a high‑traffic aquatic park.
Watch the FULL renovation video of the Aquavelis Aquatic Park with KOLOS