Installation of residential, commercial, and industrial roofs in Montreal, the South Shore, Montérégie, and surrounding areas.

Flat Roofs

Toitures Alto, your expert in residential, commercial, and industrial roofing. Our commitment: to provide sustainable and effective solutions, specializing in TPO membrane, the most innovative roofing solution on the market...
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Shingle Roofs

Roofing installation and siding application. Our installers have many years of expertise in installing all kinds of roofs. They are up to any challenge. A solid roof above all A detail can...
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Green Roofs

An Eco-Friendly and Innovative Choice An Overview of Our Green Roof Solutions At Toitures Alto, we are proud to offer green roof solutions that are in line with the latest innovations in eco-construction. The...
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Metal Roofs

Metal Roofs at Toitures Alto: Excellence in Roofing A variety of top-quality materials At Toitures Alto, we are proud to offer a wide range of materials for metal roofs. Each option is selected...
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Toitures Alto, expert roofer

Whether you want to install, insulate, or renovate the roof of your home or business, with us you are guaranteed to have an impeccable roof for years to come.


Professional and meticulous roofers

We instill in our installers a pride in a job well done. At the end of the day, our roofers look at your roof and are proud of it. Just as you will be when you see your home.

The majority of our roofing experts have between 15 and 25 years of experience. They all undergo specialized training every year to enhance their roofing installation, ventilation, and renovation techniques. Internally, they review and discuss any issues encountered, and they share their techniques.

Our installers also leave your property free of any debris..

TPO, shingles, tiles, and extremely durable sheet metal

We offer roofing materials whose quality has been pushed to the maximum by manufacturers. They have achieved such impressive durability results that, depending on the type of installation chosen, we can offer you exceptional warranties.

We offer you various options and even a financing program, if needed.

The Importance of Annual Roof Maintenance

Regular maintenance of your roof is an essential step in ensuring the longevity and integrity of your home or building... Read more The Importance of Annual Roof Maintenance

How to identify and remove mold on your roof

You've noticed unusual spots on your roof? It might be mold! Here's how to recognize it and get rid of it once and for all. ... Read more How to identify and remove mold on your roof

What type of roof tiles to choose for my roof?

Have you ever been drawn to the unique charm of tile roofs while flipping through a home decor magazine, whether in Tuscany or... Read more What type of roof tiles to choose for my roof?

Choosing the roofing material: tile, metal, or shingle?

Do you notice the type of roofs on houses in your neighborhood? Probably not, until the day you have to choose your own! It's not easy to... Read more Choosing the roofing material: tile, metal, or shingle?

What to do in case of water infiltration?

Unpleasant surprise! You hear a drop and think, "my roof is leaking!" Here's what you should do if this unfortunate... Read more What to do in case of water infiltration?
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