Order cut to size replacement polycarbonate greenhouse panels using our instant price calculator below, simply enter the length, width and thickness you require and the ex VAT price will be instantly displayed. We offer polycarbonate sheet in 3mm, 4mm, 5mm, 6mm, 8mm and 10mm but for greenhouse and shed applications http://edgaryhouz.designertoblog.com/12268015/while-no-shelves-come-with-the-greenhouse-the-double-doors-and-roof-vent-allow-for-plenty-of-air-flow-for-everything-within-and-the-assembly-process-is-greatly-simplified-with-a-pin-and-lock-system-for-its-frame