DOORS AND WINDOWS SAINT-CONSTANT

Whether you are planning the construction of a new home or the renovation of your living space, our expertise in doors and windows in Saint-Constant guarantees results that meet your expectations and go beyond your hopes. Every project is a new opportunity for us to demonstrate our commitment to quality and the satisfaction of our customers.

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White windows and door with red “10% off” badge and text “Made right here. Gone in no time.”

High-end door and window solutions in Saint-Constant

Fenplast for residential projects and contractors in Quebec


The preferred partner of residential construction contractors and homeowners undertaking renovations, D&P Marchand relies on fully integrated manufacturing for doors and windows in Saint-Constant, from PVC profile extrusion to final assembly. This complete mastery of the process ensures flawless results and exceptional consistency on every project.


Our doors and windows in Saint-Constant stand out for their durability, impeccable finishes, and excellent insulating properties. The vast majority of our models are ENERGY STAR® certified, which translates concretely into greater everyday comfort and significant savings on energy costs.


Whether it is a brand-new construction or a long-planned renovation, trusting our doors and windows in Saint-Constant means choosing solid, attractive products designed to stand up to Quebec's harsh climate, season after season.

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Closed white double cabinet doors with silver trim

HYBRID - ECO

HINGED AND AWNING

White double-panel window with closed blinds or frosted glass.

PVC - PREMIA

HINGED AND AWNING

Black-framed double window with two white panes

HYBRID - PREMIA

HINGED AND AWNING

PVC - ISO CLASSIC

SLIDING

PVC - ISO TENDANCE

SLIDING

PVC - ISO CLASSIC

TO THE GUILLOTINE

PVC - ISO TENDANCE

TO THE GUILLOTINE

HYBRID - PREMIA

PANORAMIC

PVC - PREMIA

PANORAMIC

HYRBIDE - PREMIA

SLIDING DOOR

PVC - PREMIA

SLIDING DOOR

DOOR 2.0

FRONT DOOR

NEXT GENERATION DOOR

FRONT DOOR

HYBRID - ECO

HINGED AND AWNING

PVC - PREMIA

HINGED AND AWNING

 THE 3 ADVANTAGES OF CHANGING YOUR DOORS AND WINDOWS IN SAINT-CONSTANT

+70%

Over 70% of homeowners in Quebec prefer a local manufacturer when undertaking door and window renovation projects. Choosing locally made products means supporting the local economy while benefiting from windows specifically designed for the Quebec climate.

15%

Energy-efficient doors and windows designed for Quebec winters can reduce annual heating costs by up to 15%. Improved insulation directly contributes to home comfort and long-term energy savings.

#1

Replacing doors and windows is among the top three residential renovations offering the best return on investment in Quebec. It's an improvement that increases property value, energy efficiency, and visual appeal.

COMMERCIAL PRODUCTS

A versatile and high-performance aluminum solution in Saint-Constant


The Solarcom line offers versatile and high-performance commercial aluminum doors and windows in Saint-Constant, ideal for multi-residential and commercial projects. Thanks to its modular design and numerous assembly options, this solution adapts perfectly to the needs of architects, contractors, and project managers.


Designed to deliver durability, strength, and energy efficiency, our commercial doors and windows in Saint-Constant guarantee optimal performance in every season. CW-rated, the collection offers an excellent balance of thermal efficiency, structural integrity, and ease of installation, while blending harmoniously into modern buildings, institutional facilities, and professional spaces.


Manufactured with reinforced aluminum frames and high-performance thermal barriers, our commercial doors and windows in Saint-Constant represent a lasting, secure, and attractive investment, perfectly adapted to Quebec's climatic conditions and current construction standards.

White two-panel window with one side open, showing a handle and gray frame

BATTANT B45

HINGED AND AWNING

Open awning window with white frame and gray handles, viewed from the front

AWNING - B45

HINGED AND AWNING

Open white tilt-and-turn window with handle, shown partially open on a plain background

BI45 SWING

HINGED AND AWNING

BI45 AWNING

HINGED AND AWNING

FIXED WITH SHUTTER IMITATION GF45

FIXED

FIXED COMMERCIAL PL45

FIXED

SLIDING DOOR C638 - C738

SLIDING

URBANIA

ALUMINUM PATIO DOOR

PC ALU - AL79

ALUMINUM PATIO DOOR

LOFT

ALUMINUM PATIO DOOR

BATTANT B45

HINGED AND AWNING

AWNING - B45

HINGED AND AWNING

OUR GUARANTEES

Our warranties have been designed to provide Quebec homeowners with comprehensive protection, adapted to our climate and the demands of residential replacement projects for doors and windows in Saint-Constant.


5-year labour warranty on the installation of residential doors and windows.


10-year warranty against thermal seal failure on replacement units.


1-year warranty against thermal breakage on replacement thermal units.


Our glazing is manufactured to withstand the temperature variations characteristic of Quebec winters and maintain excellent energy performance year after year.

In addition to our installation warranties, you also benefit from the warranties offered by the manufacturers of doors and windows in Saint-Constant that we distribute.

OUR GUARANTEES

D&P MARCHAND DOORS AND WINDOWS ON THE SOUTH SHORE OF MONTREAL


Founded in 1979, D&P Marchand is a Quebec family business well established on Montreal's South Shore, specializing in the replacement of residential and commercial doors and windows. For over 45 years, we have supported homeowners and contractors in their renovation projects, including doors and windows in Saint-Constant, offering durable solutions adapted to the Quebec climate and the realities of local homes.


Our specialized advisors provide personalized follow-up, whether in the showroom or directly at your home, to fully understand your needs and recommend the products best suited to your property and budget. All our installations are carried out by our own in-house teams, following precise measurements. This approach ensures careful workmanship, consistent quality, and reliable after-sales service.


For new construction projects or work without installation, our delivery service makes it easy to access quality products at the right time. Our mission is simple: to offer a seamless, transparent, and high-quality service so that every doors and windows in Saint-Constant project is a reassuring and lasting experience.

WHAT OUR CUSTOMERS SAY ABOUT US

Jean-Philippe M.

Five black stars aligned horizontally on a white background

5 weeks ago

Second home project and second project completed by D&P Marchand. WOW! What service! We are SO satisfied with the welcome, consultation, and installation service that we recommend them to everyone. Bravo to D&P Marchand and their ENTIRE team.

Robert L.

Five black star icons on a white background.

10 weeks ago

The best in their field, from their advice on existing windows and replacements to the installation team! No negative points in my experience with them.

Hi there.

Five black stars aligned in the upper left corner on a white background.

2 weeks ago

Very high-quality work, highly competent staff attentive to customer needs. And finally, excellent after-sales service.

Linda T.

Five black stars aligned in the top left on a white background

8 weeks ago

What a fantastic team! Our salesperson immediately put us at ease. He gave us excellent advice and helped us choose the products. The installation appointment was on time, down to the minute. We have nothing but praise for the entire team. Five thumbs up!!

2 BRANCHES ON MONTREAL'S SOUTH SHORE, NEAR YOU

To better serve homeowners on Montreal's South Shore, D&P Marchand has two strategically positioned branches in Sainte-Catherine and La Prairie. This proximity allows us to offer fast, personalized service perfectly adapted to the realities of residential doors and windows in Saint-Constant projects.


Our branches are easily accessible and serve the areas of Saint-Constant, Candiac, Delson, La Prairie, Sainte-Catherine, and the surrounding communities. Whether you want to visit our showroom, meet with an advisor, or plan your project, our local teams are available to guide you every step of the way.


Click directly on a branch in the map to access its Google listing and get directions, opening hours, and customer reviews.