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Product information

JT Cover is an effective floating cover system for liquids and fluids. It consists of hexagonal UV-protected plastic elements which are poured on the liquid’s surface where they automatically spread and float together, thus establishing a tight cover. The elements allow free access to the tank and working without removing the cover first.

JT Cover is a maintenance-free, advantegeous and affordable system which has a lifespan of 25 years at least. It can be removed and used again on another surface.



JT Cover is delivered in big bags or in bulk in containers and must just be dropped into the tank, basin or pond where the elements will spread, float together and cover the liquid effectively.



The specific weight of each element ensures that JT Cover does not dive when stirring in the tank. All kinds of mixers can be used without removing the floating cover. The elements will just slide aside and re-establish themselves after the end of the operation. Just make sure to stir at least one meter under the surface when using a mixer with propellers.

Suction pipes, pumps

The diameter of 313 mm ensures that JT Cover will not be an obstacle for suction pipes and pumps. Even 10″ suction pipes can be used directly in the tank without removing the elements. They will float apart and automatically restore the cover when the suction pipe or pump is removed.

Delivery: In big bags or in bulk in containers

How does JT Cover work?

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The Clean Cover Concept

JT Cover is a floating and maintenance-free cover system for fluids made of hexagonal Clean Cover elements.

They spread on the surface and automatically form a tight cover.

Odour emission, evaporation and algae formation are massively reduced, and heat loss is prevented.

And this in a particularly simple, quick and economical way - without static load and approved construction meassures.

Directly from the big bag onto the liquid.

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Reduces algae formation
with 99%


Reduces odour emission
up to 90%


Reduces the evaporation
of water


Reduces the evaporation
of chemicals


Prevents heat loss

Product information

Product: Hexagonal elements
Colour: Black, UV-protected
Diameter: 313 mm
Height: 68 mm
Coverage: 14,5 pcs/m2
Durability: 25 years at least
Recycling: Reusable

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JT Cover Fritlagt
BV Welver (28) Edited