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WinsMor Garage Door Co., Inc. installed 2 6’x4′ insulated, steel flush counter doors in the new concession stand at the Belfast Area High School, just in time for football season to begin. Come check out the new addition at the school and see our new doors, while you get a bite to eat.

WinsMor Garage Door Co., Inc. is a full service door company. We serve both residential and commercial sales, service, and installation of all types of garage doors and openers. Visit our showroom at 1 Mill Lane in Belfast, M.E. or online at www.winsmor.com

We areĀ  fully insured with 35 years of experience.

A full line of custom carriage house doors, both wood and steel, are available.

A full line of Liftmaster garage door openers are also available with many different models to choose from for your home or business.


We offer service and repair to all overhead truck doors. We carry a full line of line rollers, hinges, cables, etc. Replacement panels ordered as needed. If we don’t have what you need in stock, WE WILL GET IT!! Come see us or we will come to you.


Serving Waldo, Knox, Hancock Counties, And All Of Mid Coast Maine

Belfast 207-930-3667


Portland 207-3589467