STUNNING VIEWS

GAMMA WINDOWS

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BUILT TO LAST

UNICA WINDOWS

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EUROPEAN STYLE BUILT FOR CANADIAN CLIMATES

EUROPA WINDOWS

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STRENGTH & STYLE

DOORS

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SLIDING GLASS DOORS

PATIO DOORS

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DALMEN WINDOWS AND DOORS

Proudly Canadian Manufacturer of Windows and Doors—Over 40 Years of Expertise & Quality

Unmatched Form and Function

With Over 40 Years of Experience, Dalmen Delivers Dependable Quality that Lasts


Our products and services are constantly evolving to exceed the needs of our customers. With over 40 years of experience in the industry, we innovate and push the limits of what’s possible, fusing the best manufacturing processes with beautiful designs to create stunning windows and doors that deliver exceptional performance.

40+ Years of Experience

With over four decades in the business, Dalmen has developed exceptional products and practices that exceed expectations.

Fast Delivery Services

We offer quick delivery services for clients in the Ottawa region and beyond, ensuring you get the products you need, when you need them.

Customizable Products

Form and function should work hand in hand, which is why all Dalmen products can be customized to your needs and taste.

Trusted Windows and Doors Experts

Energy-Efficient Windows, Custom Patio Doors, and More

We built our own doors and opened them in 1975, offering high-quality products to Ottawa and its surrounding communities. Since then, we’ve expanded our product offerings to include meticulously engineered energy-efficient windows, durable steel doors, and full-wall patio doors. Over the years, we’ve continuously pushed the envelope to provide the very best for our valued clients and customers, and we’re proud to stand behind our full range of Energy Star®-certified products.

About Us