Welcome to Greenhill Systems. We are the main distributors of Heatguard Polycarbonate roof sheeting and associated products to the agricultural, commercial and construction sectors in the UK and Ireland.

Our latest products will provide an optimum working environment, increased animal welfare, health and productivity with the added benefit of energy savings.

Heatguard Polycarbonate sheeting is suitable for both new builds and as a replacement roofing material.

Manufactured in the UK, under ISO 9001:2008, Greenhill System’s products are made to order and are available for delivery throughout the UK and Ireland.

With an old fashioned attitude to getting things done, and an expert knowledge of Agri building requirements, we are on hand and available to give technical advice and quotations on our products for any size of project in the UK and Ireland.


Heatguard is an innovative development in polycarbonate sheeting which limits heat build-up through the sheet whilst transmitting natural light. It is ideal in any situation where natural light is required.

Great Energy Savings

Improves Animal Welfare

High Light Transmission

Excellent Heat Reduction

Thermally Insulated

Structural Durability

Reduce your carbon footprint

Increased fertility rates

Aluminium pigment contained in the sheet