Decoline is a leading Canadian manufacturer of a full selection of PVC Windows, and Doors. Our Head-office as well as our modern manufacturing facility and showroom are all under one roof and located in the heart of North York, Ontario. We serve the Greater Toronto Area, Brampton, Mississauga, Oakville, Ajax, Pickering, Markham, Richmond Hill, Unionville, Woodbridge, Thornhill, Aurora, Newmarket and Toronto. more... See more text