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Since pioneering the fiberglass door industry in 1983, Therma-Tru has redefined the entryway with its high style, high-performance products. Today, builders and remodelers agree: Therma-Tru Doors delivers style, innovation, durability and value year after year. Our quality and innovation have made Therma-Tru the most preferred brand of entry doors in the industry.


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Therma-Tru Door Systems include the doorlites, jambs, brickmould, weatherstripping, hinges, door bottom and sill options. All components are designed, engineered and manufactured for top-quality performance and appearance.
Antique Brass

Bright Brass

WhiteBrushed Chrome

Polished Chrome



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Bring the outside in with the maximum viewing pleasure of Therma-Tru's Slim-Line™ Sliding Patio Doors, designed to not obstruct your view.

Available with optional impact-rated glass, Slim-Line™ fiberglass sliding patio doors are durable and safe, and designed to withstand hurricane winds and heavy rainfall. You get UV protection and high thermal performance from our insulated Low-E glass doors.

Available in white, almond, stone and bronze.



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Get the look of fine painted wood and the strength of steel with a front door from our Smooth-Star Entry Door Collection. An excellent value in a fiberglass entry door, made of rugged compression-molded fiberglass with deep detailed panels that create beautiful shadows and contours on your door's surface.

This perfectly stylish yet rugged fiberglass front door resists the dents and dings from day-to-day traffic, and will never rust or corrode.

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Fiber-Classic has the warm, rich look of hardwood, with all of the advantages of Therma-Tru fiberglass. Meet the very first fiberglass front door—the door that revolutionized an industry. Therma-Tru's Fiber-Classic doors changed how doors are made, and leads the standard for all fiberglass entry doors on the market today.

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Wayne Dalton Garage Doors

The Wayne-Dalton 7400 models combine the classic swing-open appearance and detailing of carriage house wood doors with the convenience of standard sectional garage doors.

Don't settle for ordinary when extra-ordinary is within reach! Wayne-Dalton doors come in many different designs, colors, insulation values and sizes.



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Steel Garage Doors

Who knew that something so beautiful could be so inexpensive? Model 6100 doors are designed in a traditional style with classic charm. The steel surface and insulation core make this model a very practical option for those looking for a little something extra.


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Northern Michigan windows and doors

Contact Us for a Free Estimate

7403 E. 34 Road - Cadillac, MI  49601

Addresss: 7403 E. 34 Road
Cadillac, MI 49601..

Phone & Fax: 231-775-1111

Northern Michigan windows and doors