Cathedral Victorian Greenhouse with Large Cupola – 300 sq.ft. Includes one double set of hinged doors with closers, 1 sliding door, 2 top hanging side windows, 2 louvre window, and 4 roof windows with spindle openers and 4mm tempered glass. Special feature: 2 heavy duty aluminum reinforcement supports (across the width) – 2.3″ W x 5.2″ D. Also includes 10’2″ L x 5’4″ W cupola with pre-welded frame (horizontal part). Greenhouse is 15′ W x 19’11” L x 12’2″ H, side walls are 6’8″ H.