Gravistore 1 Building

Gravistore 1 Building

Gain from rain

Recover up to 40% of your water usage with a rainwater harvesting system.

Just some of the benefits

Quick assembly

There is no need to construct the tank as it is already erected and free standing, allowing you to harvest your water immediately.

2 year guarantee on the tank

A guarantee has been placed on the tank for peace of mind. Your rainwater harvesting system will, however, continue to save you money for years to come.

Adaptable to any size restriction

This product is designed to retro-fit to most commercial buildings and warehouses, which means anyone can benefit from rainwater harvesting.

No electricity required

No electricity is required, meaning zero energy costs and less harm to the environment. This is important for meeting environmental objectives and complying with initiatives.

Instant rainwater harvesting

Once the system is assembled, you can begin rainwater harvesting immediately and generate cost savings straight away.


The simplicity and ease of this product accommodates many customers -specific technical knowledge and training is not needed to get the most out of rainwater harvesting.

Interested to know more?

Speak to our Gravistore 1 Building experts to make sure you get the most efficient solution for your needs

The advantages of rainwater harvesting

Reduces water bills

Protects against water shortage

Meets environmental initiatives

Increases the efficacy of agrichemicals

Preferred drinking source for livestock

Boosts farm water pressure

Birch Hall Farm

Large UK dairy farm

"We expect our rainwater harvesting system to pay for itself within the next 5-8 years. I would happily recommend Cotterills to other farmers. Nothing was ever too much trouble and their down to earth approach meant they were a pleasure to deal with."

– Andrew Gilman –

Livestock farm saves money with rainwater harvesting system

Livestock farm saves money with rainwater harvesting system

The owner of Birch Hall Farm, Andrew Gilman, needed a rainwater harvesting solution to help him meet environmental initiatives and reduce the farm’s water bill. Andrew was unsure which rainwater harvesting system would be suitable for his needs, especially because he wanted to use the water collected as a drinking source for his livestock...

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