The #1 service for the caulking for your doors and windows in Granby!

Caulking services executed perfectly by the Basco Granby-Cowansville team. 

10 year warranty on caulking*.


Caulking service in Granby

Windows and Doors are well insulated when sealed properly. However, they are constantly exposed to bad weather, shifts in weather forecasts and temperature variations. Consequence: dried up seal. When the seal is dry, cracked or peeling off, it becomes an open door to air and water infiltrations.

Caulking can rectify the issue. Allowing for the optimal performance and energy efficiency of your windows and doors while avoiding unpleasant surprises. Therefore, think of calling for Basco Windows and Doors professionals to regularly inspect your seals.




Therefore, wanting to care for it is understandable. Caulking is a good place to start. When your windows and doors are sealed properly, it prevents damp and cold air from entering your home. It ensures your comfort and that’s not all.

In fact, humid air may gradually cause invisible damage to your home. Water infiltration may show 3 different destructive signs:




Why choose Basco Granby-Cowansville for your caulking work?

At Basco, we train our technicians to meet the highest industry standards. This is how we can guarantee that our caulking is done right. Here's what you can expect when we visit:

  • Our technicians remove old seals from your doors and windows
  • They install your new sealants with care
  • They clean up their space, leaving no trace of their passage, except for your brand new seals
  • We offer you a 10-year warranty*.

Your trusted caulking service in Granby

The sealants used by Basco's experts during our work are of high quality. Made of silicone, they are designed to resist mildew and humidity. Because they are waterproof and odorless, our sealants are not affected by weather or temperature variations. They are unique on the market.

Our teams have not only the equipment, but also the expertise in caulking required to intervene in a residential or commercial context. Our technicians are also trained to perform work at heights, if necessary. Here are some of our intervention areas.

  • Windows
  • Masonry joints
  • Curtain walls
  • Patio doors
  • Garage doors
  • Skylights
  • Solariums
  • Skylights
  • Work at height

Caulking service in Granby

  • Bromont
  • Sutton
  • Lac-Brome
  • Dunham

Contact information :

Basco Granby-Cowansville Window Repair Services

Samuel Proulx

1053 Avenue Nadeau

Saint-Césaire (QC) J0L 1T0





As a young entrepreneur, Samuel Proulx listens to his customers. A management and entrepreneurship graduate, he developed his doors and windows expertise alongside his father. Today, he is proud to offer a cost-efficient and ecofriendly solution in doors and windows restoration and repair to the Brome-Missisquoi RCM and the Haute-Yamaska RCM residents. Samuel Proulx is a disciplined, dedicated and innovative leader in whom you can trust to get the job done right.




Jerry Desjardins | Basco Saint-Jérôme

Testimonials and recommendations

⭐️ ⭐️ ⭐️ ⭐️ ⭐️

We dealt with Basco to restore our wood windows. We got the best value on the market. A team that is more than efficient, friendly, and unparalleled in skill. One of our best experiences if not the best experience with a contractor!

- Caroline Poisson

⭐️ ⭐️ ⭐️ ⭐️ ⭐️

A very professional and well organized team. They changed 6 of our windows (Low-E Argon) and there has been no fogging since. The windows are perfectly clear no matter the season. I highly recommend this company

Daniel Horlescu

⭐️ ⭐️ ⭐️ ⭐️ ⭐️

First, we received a clear and understandable estimate. The work was done very well and with a smile. In addition, the technician graciously repaired one of our long-staggered door locks. A kind of extra that you don't often get... We are very satisfied

Fabienne Desbiens

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