Alveolar Extrasun 400-micron bubble cover

Alveolar cover Extrasun

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Product Bonuses

The DEL Premium Alveolar cover is the result of 100% CF group R&D technology. It is a bubble cover made of 550 microns polyethylene with alveolar technology. It is manufactured with a welded edged finish around the entire perimeter for a very aesthetic appearance and good resistance over time.
The alveolar cover is adjusted to the size of the pool to block over 99%* of evaporation, which saves water: for a 4.00 x 8.00 m pool, losses are limited to around 180 litres of the 200 litres evaporated in a day with 2 hours of swimming. It also saves energy: the phenomenon of evaporation drives to cool the water.
The DEL Premium Alveolar cover has solar heating capabilities for free and clean energy as well as insulating qualities to limit heat loss: +7%* vs Geobubble 500?m. This performance is due to significantly reduced thermal bridges (-19% compared to Geobubble bubbles and -39% compared to conventional round bubbles).
The 2 models protect the water from debris and other pollution, reducing the consumption of treatment products and filtration time. The high opacity of the black model stops the light that causes photosynthesis and algae growth. This significantly reduces the consumption of chemical products.
The patented shape of the alveolar bubbles associated with a maximised PE film offer a long life time to the alveolar covers.

The DEL Premium Alveolar cover is the result of 100% CF group R&D technology. It is a bubble cover made of 550 microns polyethylene with alveolar technology. It is manufactured with a welded edged finish around the entire perimeter for a very aesthetic appearance and good resistance over time.
The alveolar cover is adjusted to the size of the pool to block over 99%* of evaporation, which saves water: for a 4.00 x 8.00 m pool, losses are limited to around 180 litres of the 200 litres evaporated in a day with 2 hours of swimming. It also saves energy: the phenomenon of evaporation drives to cool the water.
The DEL Premium Alveolar cover has solar heating capabilities for free and clean energy as well as insulating qualities to limit heat loss: +7%* vs Geobubble 500?m. This performance is due to significantly reduced thermal bridges (-19% compared to Geobubble bubbles and -39% compared to conventional round bubbles).
The 2 models protect the water from debris and other pollution, reducing the consumption of treatment products and filtration time. The high opacity of the black model stops the light that causes photosynthesis and algae growth. This significantly reduces the consumption of chemical products.
The patented shape of the alveolar bubbles associated with a maximised PE film offer a long life time to the alveolar covers.

Documents to download

400-micron polyethylene film reinforced with a UV-stabilized HDPE woven sheet.
Antioxidant treatment to prevent polyethylene degradation caused by chlorine.
Unmatched resistance to tension and tearing.
Fully opaque material that limits algae growth, saves treatment products, and reduces energy consumption by more than 50%.
Reinforcement at the corners for covers larger than 6.00 x 13.00 m.
Rigidity facilitates rolling and unrolling.
Weight: 550 g/m² (+/- 10%).

The Extrasun Cellular Cover will be available during the 2025 season. Therefore, before this transition, the cover may be manufactured using Geobubble technology.

A cover Extrasun larger than 4.50 x 14.00 m is delivered rolled and requires freight transport.
The Extrasun cover is manufactured in a straight shape; it is not possible to make rounded shapes due to the rigidity of the material.

Documents to download

Always cover the cover with an opaque protective tarp (when stored on a roller) to protect it from UV rays.

Remove the cover during shock treatments and wait for the disinfectant level to decrease before repositioning it.