Exaco Trading GH-68G Bio-Star Pioneer Large Greenhouse, 6-Feet by 8-Feet The bio star greenhouse is the perfect season extender or mild winter greenhouse for the gardener on a limited budget Easy to assemble glazing panels slide into the aluminum profiles 77-inch center roof height and 65-inch sliding door Assembled size is 75-inch wide and 86-inch long INSTALLATION AVAILABLE: click on video link next to main picture or call: 888-338-6719