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All our custom windows and doors manufacturing installation are located in Montmagny on the south shore of beautiful St-Lawrence river, 30 minutes from Quebec city. We've been manufacturing quality products for the harsh Quebec and Canadian climate for over 100 years.

Here are a few things to consider when inspecting the current windows in your home: deterioration of the weather stripping; opening and/or closing shutters; the air that seeps inside; the appearance of condensation between the panes; the appearance of mold. You may also want to update the look of your home or improve its energy efficiency. And when you know that installing new windows can save you energy, it's a very good incentive.

Yes, we can replace the sealed glass (thermos) of your windows, doors and patio doors of all kinds, even if the products to be replaced were not manufactured by Lorendo. Yes, bring your window or patio door frame(s) and we will custom cut to seize and install the mosquito screen(s). Yes, we can replace small components such as cranks, opening operators, etc. We hold an inventory of components for Lorendo doors and windows. Certain conditions may apply depending on the age or generation of your Lorendo products.

Yes, we can repair your Lorendo doors and windows provided of course that the age or generation of the products allows us to do so. Certain conditions may apply.

Yes, we have installation guides for every type of window and door. We also provide an installation service and recommend trained authorized installers and contractors for the Quebec, Lévis, Montmagny and Rivière-du-Loup regions, ensuring professional installations according to the latest and current standards.

Prices vary greatly depending on the size of your door or window, but also on the choice of technology, options, number of glazing, decorative additions, etc. The ideal way to obtain a fair and precise cost is to complete an online quote request so that an advisor can quickly assess your project.