Adams Door Systems Inc. is the largest Master Authorized Dealer in the Greater Toronto Area (GTA) for Clopay Garage Doors and LiftMaster electric openers. These manufacturers are the leaders in the industry, offering a full range of excellent quality products for any home style and budget. Clopay is the only residential garage door brand with the Good Housekeeping seal of approval, which is also carried by LiftMaster automatic openers.more...See more text