A single point of contact
The general contractor coordinates and supervises all the work. You have only one person to call, from the first pencil stroke to the last screw.
Your outdoor specialist in the Outaouais
A general contractor specializing in exterior renovation and construction is at your service to carry out your projects in Gatineau, throughout the Outaouais region and in Ottawa. With Summex, your projects are in good hands.
From the patio to the outdoor kitchen, every element is designed, built and installed by our teams. Choose what interests you.
Composite, PVC or wood, built to last through our winters.
Three or four seasons, to stretch out the summer.
Bioclimatic aluminum or wood-frame.
Aluminum, stainless steel cable or tempered glass.
So your property keeps living after dark.
Countertops, storage and cooking, outdoors.
Building your projects is our specialty. We carry out your work while respecting your choices, your budget and the agreed schedule.
The general contractor coordinates and supervises all the work. You have only one person to call, from the first pencil stroke to the last screw.
Freeze, thaw, salt, snow: every material is chosen to hold up in the Outaouais, not just to look good on delivery day.
All of our expertise goes into homes and cottages, and that is what makes the difference.
Work of the highest quality so that your investment pays off over the long term, with a qualified contractor keeping the work under control.
Financing programs are available to spread out the cost of your project without putting it off until next year.
That is how Summex defines itself. Gatineau and the entire Outaouais region, along with its surroundings, are our home turf. We put everything into turning your outdoor living space into a true corner of paradise.
Every construction or renovation project is carried out with exemplary care and constant attention to detail, to create outdoor spaces that amaze and truly enrich your everyday life.
At Summex, we take charge of your outdoor project with rigour to give you a smooth, hassle-free experience.
From the first meeting to completion, our team supports you with tailored advice, clear communication and constant attention to detail.
We serve Gatineau, the Outaouais and Ottawa, and offer a free quote to properly assess your needs and guide you toward the best solutions.












Enough years in construction to turn your dream vision into a very real outdoor living space.
We place great importance on building a lasting relationship of trust with each of our clients.
Our free quote gives you clear answers and tailored advice so you can make your decisions with complete confidence.
Our expertise in renovation and construction allows us to support you with confidence and know-how at every stage of your project.
Have an outdoor project in Gatineau, Cantley, Chelsea, Aylmer, elsewhere in the Outaouais or in Ottawa? Contact us to discuss it and get a free quote.
Monday to Friday9 a.m. – 5 p.m. · Weekends: closed
The general contractor coordinates and supervises the work involved in building a project, such as a house or a patio. They provide an all-in-one service and can delegate all or part of the work without necessarily taking part in it directly.
We cover Gatineau and the entire Outaouais, Cantley, Chelsea, Aylmer, Val-des-Monts, as well as Ottawa. We work exclusively on homes and cottages.
Yes. A free quote guarantees you a clear answer to your questions and a quick assessment of your project, with no obligation on your part.
Yes, financing programs are available through Financeit to spread out the cost of your project.
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