Geo 400 Series Swimming Pool Cover


ROLLER TO COVER ATTACHMENT STRAP SET (10X 3M ) Swimming pool cover strap sets provide you with the fixings required to connect your solar cover or heat retention cover to your pool roller.

Helps to open and close cover. Supports edge of cover. Heavy Duty PVC mesh.Factory Fitted or DIY

10 x Blue Press Fix Connectors/Poppers For Attaching Leading Edges or Tail Kits to Solar Covers
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Geo 400 Series

Very common cover in the UK, Ireland, Sweden and other cooler climates. A popular choice for indoor pools.
Very good heat retention properties at a very competitive price.
Silver underside gives extra heat retention and a blue top
400 Micron
0.37kg per sq. m

Unique Features

Unique patented design of two bubbles joined together by a structural waistline centre section.
No sharp corners that could result in thin or weak points in the design.
No stress points due to the bubbles smooth interconnected curves.
50% thicker than a traditional bubble material.
Increased resilience against UV rays and chemical attack.

What is GeoBubble

GeoBubble is an innovative pool cover material using a bubble shape that has been scientifically designed to increase the expected lifespan of the swimming pool cover material by up to 25%.

Geo-Bubble Solar Blankets, often referred to as bubble covers are an efficient, cost effective way of retaining heat in your swimming pool water. These Solar Covers use an insulating technique similar to that of double glazing and help prevent heat loss through evaporation which accounts for 85% of all pool water heat loss.

The new Geo-Bubble technology has been specifically created to combat the attacks of UV and pool chemicals and has converted the limitations of a traditional bubble to great advantage.

Sharp corners which were once an area of high stress have been replaced by a smoother, more uniform shape and a thickness of material 50% thicker that standard bubble which considerably increases the bubbles resistance to attack from the water. On the surface, improved UV additives, stabilisers and antioxidants have added to the covers overall durability and within the bubble a larger cavity offers more room for air expansion.

We only offer high quality pool covers from the UK’s leading manufacturers and do not offer poor quality 200 or 300 micron imported covers as are found so often elsewhere on the internet without warranties. Our prices for the thicker 500 micron material competes well against other supplier’s 200 & 300 Micron grades.

Castle Hot Tubs offer solar covers for standard UK pool sizes online although on request we can custom manufacture almost any size or shape required to suit your swimming pool design.

Additional Information:

Solar covers can be placed onto the pool water surface by hand or with ease using a manual or automatic pool roller and a leading edge towing kit.
When your pool cover is rolled or folded off the pool water a sun protection sheet can be used to reduce exposure to excess solar heat and thus help prolong the life of the cover.
Removing the cover for a reasonable period after shock chlorination will also extend the life of the pool cover by preventing chemical attack leading to degradation of the material.
At the end of the pool season you can care for your solar blanket by rinsing the cover with water from your hose to remove chemical residue prior to winter storage.


Our Covers are cut and shaped in the factory this can take longer in high season March- October when delivery time can be up to 10 weeks.
If you require delivery to the Scottish Highlands & Islands, Isle of Man, Scilly Isles, Channel Islands, Northern Ireland or outside of the UK mainland please contact us before making your purchase as an additional charge of £55 is payable for shipping. Thank you.

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