The palram glory polycarbonate greenhouse has extra thick 10mm twin wall polycarbonate panels to make it one of the strongest polycarbonate models on the market it is designed to take up to 100kg snow load the glory 8ft x 12ft greenhouse is packed with some great features as standard it has a built in base plinth meaning that you have a low threshold door entrance for easy access it has extra high headroom for trellising and growing tall plants with free plant hangers automatic vent openers