We are the market leading manufacturer of curtainsider components in the UK and have recently designed, built and brought to market a roof retractable load securing system in line with the new DVSA guidelines. We are already selling this product to some of the largest trailer builders in the UK.One of the main selling points of our system is that it can be installed in as little as thirty minutes and is fully transferable should you replace your trailer giving obvious benefits to the end… Show more We are the market leading manufacturer of curtainsider components in the UK and have recently designed, built and brought to market a roof retractable load securing system in line with the new DVSA guidelines. We are already selling this product to some of the largest trailer builders in the UK.One of the main selling points of our system is that it can be installed in as little as thirty minutes and is fully transferable should you replace your trailer giving obvious benefits to the end user in terms of cost.More information on our system is available on our website www.cvrollers.com Show less