Sipling Covermakers produce Rollover sheets of all sizes. All of our made-to-measure covers and roll on sheets are produced from heavy duty PVC to the highest specification and a customer’s exact requirements. Our truck bed covers are competitively priced and made from a minimum weight PVC of 580 gsm to a maximum of 900 gsm. They are easy to fit onto any tipper unit / truck and will withstand all weather elements.