Best Covers That Heat Your Pool

Covers that maximise solar gain to heat your swimming pool

Transparent materials:

Suggested material for adding raising water temperatures.

How the cover works:
Adding energy to the pool:

The material has high transparency, allowing as much of the solar energy into the pool environment as possible. By using the sun’s energy to heat the pool, the water is maintained up 6 to 8˚C hotter then an uncovered pool. This greatly reduces the load on the heating system. has to use to keep the water at a comfortable temperature. The cover’s transparency plays an important role in providing such a large temperature increase as the water absorbs different wavelengths of the sun’s spectrum at different depths. By allowing nearly 80% of the sun’s energy into the pool, an even temperature increase is generated throughout the body of water.

Retaining Heat:

Air has excellent insulation properties. By trapping air within and around the bubbles, the material becomes an insulating barrier to heat loss. This, combined with the ability to prevent evaporation, provides a 50% reduction in the energy required to heat the pool. Plastipack's own product testing shows that standard materials will increase the water temperature by approximately 2 to 3 degrees C, compared to an uncovered pool. This is why it is important to keep the cover on the pool when not in use.


The material’s longevity as discussed above is determined by three main factors: thickness, bubble design and UV stabilisation.

The Sol+Guard™ material is a 500μm material.

This provides a durable material and, with the inclusion of the GeoBubble™ design, provides a evenly profiled bubble that offers good resistance against the pool sanitizer's oxidising effects. The material being a part of the Guard product range has a bespoke tailor-made UV stabilizer system at far higher levels than that of standard pool cover material. These three factors provide a material with the highest expected lifespan.

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