Our Expertise:
Manufacturing High-Quality and Highly-Efficient Windows and Doors

With over 50 years in business, we’ve learned a thing or two. For instance, we understand that when you’re looking for windows and doors, you’re not just looking for eye-catching designs or performance. You’re looking for reliable products that stand the test of time, delivering on form and function for unmatched and uncompromising quality.

Dalmen strives to create high-quality windows and doors that combine cutting-edge technology and design with respect for our heritage and where we’ve come from. We’re very proud of the products we’ve created since we first opened our doors in 1973, and we are always looking at how we can improve and build upon what we’ve done before.

Located just outside of Ottawa, Ontario, Dalmen Windows and Doors is a proudly Canadian company serving customers from Ontario and Quebec. Whether you’re looking for the latest styles to include in your design or are looking to source high-efficiency windows for a major project, we’re ready to help you with a variety of amazing products.

Simply put, no window is too big, no door too small – we’re here to help you bring your vision to life.

50 years of quality

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

Fast delivery service

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

Completely customizable

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

Our History – See How Far We’ve Come!

  • 1947 – Roger Menard relocates from Verdun, Quebec to St. Isidore, Ontario and purchases a wooden wheel factory. He transforms it into a cedar door and a pinewood window factory and begins distributing building materials under the name of J.R. Menard.
  • 1950 – Roger is one of the main suppliers for the development of St. Lawrence Seaway in Cornwall, providing building materials, windows and doors, as well as cabinets.
  • 1960 – Roger Menard (J.R. Menard) takes on projects in Ottawa and Hull and opens a roof trusses factory.
  • 1970 – Roger Menard starts distributing doors and windows throughout Eastern Ontario and begins manufacturing steel roof claddings.
  • 1973 – Roger’s son, Jacques Menard, becomes the president of the company and builds a modern windows and doors factory. This marks the official start of DALMEN in the production of pine windows.
  • 1980 – Jacques designs one of the first windows with outer PVC covers: The D2 Window.
  • 1985 – Jacques and the Royal Group design a shutter entirely in PVC.
  • 1990 – Jacques designs a D4 patio door.
  • 1992 – Jacques introduces one of the first PVC windows that is solid and maintenance-free – COMFORT 2000. It will soon become the trendiest window in all of Eastern Ontario until 2001. COMFORT 2000 will also grab the attention of big distributors in the region (J. Lalonde et fils, J.R. Adams, Home Hardware).
  • 2000 – Dominic Alary, an industrial engineer, joins the team to optimize operations and products.
  • 2001 – Dominic introduces the Spectra window: a monocoque frame window with integrated brick molding.
  • 2003 – Major automation investment is made to cut extrusions and weld windows with four-headed welders.
  • 2005 – Investments are made for the manufacture of steel and fibreglass doors.
  • 2010 – Expansion of Dalmen factory: production operations now take place in a 70,000 square feet facility.
  • 2013 – Major investment in thermos glass production with automated equipment for glass cutting and assembly (without human manipulation) for highest quality. Thermos uses state-of-the-art Super Spacer and FOREL technology.
  • 2015 – Start of the DalmenPRO trademark for distributors who have their own installers. Chris Papineau is the first franchisee of Dalmen PRO Ottawa. He has more than 15 years in sales and residential installation and multistage.
  • 2016 – Dalmen manufactures and installs aluminum windows and curtain walls for commercial applications.
  • 2017 – Dalmen begins manufacturing GAMMA SLIM LINE all-aluminum windows for the commercial market and high-end residences with large format architectural windows.
  • 2018 – The Dalmen PVC GAMMA window with core is the first window to pass the Flame Spread Index test for multi-storey buildings.
  • 2019 – Dalmen starts manufacturing METRA all-aluminum windows. This window will earn the PASSIVE HOUSE (Passivhaus) certification.