DOORS AND WINDOWS

LONGUEUIL

Are you planning a new construction or residential renovation project? Our expertise in doors and windows in Longueuil ensures results that match your expectations and, in most cases, surpass them. Every project is a new opportunity for us to demonstrate our commitment to quality and the satisfaction of our customers.

DISCOVER OUR ACHIEVEMENTS

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A Fenplast promotional ad with snowballs hitting a door and window, featuring text, a 12% discount, and a winter theme.

High-end door and window solutions in Longueuil

A reliable partner for contractors and homeowners taking on renovations, D&P Marchand operates with a fully integrated manufacturing process for doors and windows in Longueuil, covering everything from PVC profile extrusion to final assembly. This end-to-end control of the production chain guarantees consistent, high-quality results from one project to the next.


Our doors and windows in Longueuil are recognized for their sturdiness, careful finishes, and strong thermal performance. The great majority of our models carry the ENERGY STAR® certification, which means a more comfortable living environment throughout the year and meaningful reductions on your energy bills.


Whether you are embarking on a first build or a renovation project years in the making, choosing our doors and windows in Longueuil means investing in durable, visually appealing products built to hold up against Quebec's challenging climate, year after year.

GET YOUR QUOTE
A white, double-pane casement window with a central vertical frame divider.

HYBRID - ECO

HINGED AND AWNING

A white, double-casement window with two rectangular glass panels separated by a central frame.

PVC - PREMIA

HINGED AND AWNING

A black, double-pane window with a slim, modern frame against a white background.

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 LONGUEUIL

+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 Longueuil


The Solarcom line delivers versatile, high-performance commercial aluminum doors and windows in Longueuil, purpose-built for multi-residential and commercial developments. Its modular design and wide range of assembly configurations make it a go-to solution for architects, general contractors, and project managers.


Built for durability, structural strength, and energy efficiency, our commercial doors and windows in Longueuil perform reliably in every season. CW-rated, the Solarcom collection strikes the right balance between thermal performance, structural resistance, and straightforward installation, all while fitting seamlessly into modern buildings, institutional structures, and professional environments.


Featuring reinforced aluminum frames and highly effective thermal barriers, our commercial doors and windows in Longueuil are a sound, attractive, and safe investment, fully in line with current construction standards and Quebec's climate realities.

A white dual-pane casement window with a crank handle on the right frame.

BATTANT B45

HINGED AND AWNING

A silver, rectangular awning window is partially open, featuring a central crank handle and side locking levers.

AWNING - B45

HINGED AND AWNING

A white, modern casement window featuring a silver handle, shown partially open against a plain white 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 warranty program has been developed to give Quebec homeowners thorough coverage, tailored to our climate and the specific requirements of residential replacement projects for doors and windows in Longueuil.


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 engineered to handle the temperature swings of Quebec winters while preserving its energy performance over the long haul. On top of our own installation warranties, you also benefit from the coverage provided directly by the manufacturers of doors and windows in Longueuil that we carry.

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 with deep roots on Montreal's South Shore, specializing in the replacement of residential and commercial doors and windows. For more than 45 years, we have guided homeowners and contractors through their renovation projects for doors and windows in Longueuil, providing lasting solutions that reflect the Quebec climate and the character of local homes.


Our advisors offer personalized support, whether at our showroom or at your property, to get a clear picture of your needs and point you toward the products that best fit your home and your budget. Every installation is completed by our in-house teams following thorough on-site measurements, ensuring precise workmanship, reliable quality, and dependable after-sales support.


For new construction projects or orders without installation, our delivery service gets quality products to your site exactly when you need them. Our goal stays the same: to provide a complete, transparent, and professional experience so that every doors and windows in Longueuil project goes smoothly from start to finish.

WHAT OUR CUSTOMERS SAY ABOUT US

Jean-Philippe M.

Cinq étoiles noires.

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.

Cinq étoiles noires.

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.

Cinq étoiles noires sur fond blanc.

2 weeks ago

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

Linda T.

Cinq étoiles noires sur une rangée horizontale, indiquant une note ou un avis élevé.

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 best serve homeowners in Longueuil and the surrounding communities, D&P Marchand maintains two well-positioned branches in Sainte-Catherine and La Prairie. This local footprint enables us to deliver responsive, tailored service that fits the specific needs of doors and windows in Longueuil projects.


Our teams are active across a broad area that includes Saint-Constant, Candiac, Delson, La Prairie, Sainte-Catherine, and nearby municipalities. Stop by our showroom, connect with one of our advisors, or start mapping out your project with a local expert today.


Click directly on a branch in the map to access its Google listing, get directions, check opening hours, and read reviews from our customers.