Who is the AQUASTONE Reinforced Membrane Designed For?
AQUASTONE (by manufacturer CGT ALKOR) is the ultimate lining and waterproofing solution for anyone looking for an elegant, safe, and extremely durable swimming pool. Featuring a 3D textured unicolor surface, it combines a soft, natural touch with top-tier technical properties.
Made of two flexible sheets of plasticized polyvinyl chloride (PVC-P) joined with an inner polyester mesh, AQUASTONE offers exceptional resistance to punctures and tears. It is ideal for both new pool construction and the renovation of existing pools, adapting seamlessly to any shape, size, or structure type (residential or commercial).
Key Advantages
- 3D Textured Surface & Maximum Slip Resistance: Its embossed finish meets the DIN 51097 Class C standard, the highest rating for anti-slip properties, making it ideal for steps, pool beaches, and shallow areas.
- Patented Formula for Odorless Welding: Designed to optimize the installer’s workflow, it produces minimal fumes and is completely odorless during thermal welding.
- Safe & Certified for the Whole Family: Free from harmful substances, fully compliant with European standards REACH (protection of human health and the environment) and EN 71-3 (toy/child safety).
- Multilayer Protection with Varnish: UV-stabilized and weather-resistant, it features a protective surface varnish that makes cleaning easier and prevents the growth of fungi and microorganisms.
- Excellent Manufacturer Warranties: Comes with a 15-year warranty on watertightness and a 3-year warranty against staining.
Technical Specifications
| FEATURE | TECHNICAL SPECIFICATION |
|---|---|
| Total Thickness | 1.80 mm |
| Roll Dimensions | 1.65 m (width) x 25 m (length) = 41.25 m² |
| Structure | PVC-P reinforced with internal polyester mesh |
| Surface Finish | 3D Textured Unicolor with Multilayer Varnish |
| Slip Resistance Rating | DIN 51097 Class C (Highest Grade) |
| Safety Certifications | REACH and EN 71/3 (Kids Friendly / Safe for Children) |
| Protective Treatment | Anti-fungal, anti-microorganism, and resistant to pool chemicals |
| Warranties | 15 Years (Watertightness) | 3 Years (Stain Resistance) |
Frequently Asked Questions (FAQ)
Do I need to apply the anti-slip membrane only on steps or across the entire pool?
Thanks to its comfortable 3D textured finish and DIN 51097 Class C certification, AQUASTONE can be installed across the entire pool (floor and walls) or specifically on high-risk slip areas like steps, ramps, and shallow zones while maintaining a seamless, uniform aesthetic.
Is the AQUASTONE liner compatible with saltwater chlorination systems?
Yes! AQUASTONE’s multilayer varnish-protected PVC-P is fully compatible with standard pool water treatment systems and chemicals, including salt chlorination, traditional chlorine, and active oxygen.
What is the benefit of REACH and EN 71-3 certifications for a pool liner?
The EN 71-3 standard is the same standard used to certify that children’s toys do not contain dangerous chemicals or heavy metals. Coupled with REACH certification, it ensures your pool water remains safe for your family’s health with zero harmful chemical leaching.


















































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