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Rhine Sports

Acrylic Pool Underwater Windows

Acrylic Pool Underwater Windows

Acrylic underwater viewing panels are high-performance structural components engineered to provide transparent load-bearing surfaces within swimming pools, aquariums, hydrotherapy pools, and SPA systems. Manufactured from premium cast polymethyl methacrylate (PMMA), the panels offer exceptional mechanical strength, optical clarity, and long-term stability under continuous hydrostatic loading. Due to their molecular composition and fabrication method, cast acrylic panels maintain 92–93% light transmission and do not exhibit the green tint commonly associated with laminated glass.


Each panel is custom-designed according to project-specific parameters including water depth, design head pressure, panel span, seismic requirements, and environmental conditions. Structural thickness is calculated based on safety factors compliant with relevant international standards such as DIN EN 13445, BS EN 1993, and acrylic manufacturing guidelines. Typical panel thicknesses range from 40 mm to 200+ mm depending on loading conditions.


Panel edges are CNC-machined to achieve tight tolerances for structural bonding. Installation interfaces may be designed as rebated channels, stainless steel frames, or monolithic concrete recesses, combined with high-performance two-component structural adhesives, silicone-based sealants, or mechanical restraints. All bonding materials are selected for compatibility with PMMA and pool chemicals to ensure long-term watertight integrity.


The acrylic material is UV-stabilized, non-yellowing, and chemically resistant, performing reliably in chlorinated, brominated, and saltwater environments. Optional coatings include anti-abrasion layers, reflective privacy films, and internal anti-condensation treatments. All panels undergo polishing—either diamond-polished or flame-polished—to guarantee distortion-free visibility.


Acrylic underwater windows are engineered to withstand continuous pressure, thermal expansion, and cyclic loading without delamination risks. Their impact resistance—up to 10–15 times higher than laminated safety glass—makes them suitable for high-traffic public facilities and commercial developments. Applications include hotel pools, SPA viewing corridors, fitness pools, infinity-edge windows, and yacht or vessel-integrated pools.

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