Our Window Repair Services

Person using a caulking gun to seal the brick trim above a window outdoors

Since 2008, Constructions Réno-Fenêtres has supported homeowners on the North Shore, the South Shore, and in Greater Montreal with thorough repair and refurbishment services, extending the life of their windows without the cost of a full replacement.

Window Refurbishment

An Affordable Solution

Wood, aluminum, or PVC

We repair what others suggest replacing.


Your windows show signs of wear, but that doesn't necessarily mean they need to be replaced. Constructions Réno-Fenêtres works on all types of residential windows, including wood, aluminum, and PVC, to refurbish them for a fraction of the cost of a new installation.

  • Complete refurbishment of all materials
  • Savings of 65% to 80% compared to a full replacement
  • Parts compatible with mechanisms from the past 50 years, including slides, cranks, folding handles, and locks

Wood, Aluminum, and PVC Window Repair


Cracked or peeling caulking lets in cold air, moisture, and water, which can lead to costly damage to your home if left unaddressed. Our professional caulking service eliminates infiltration and restores a lasting seal to your doors and windows.

  • Elimination of drafts and water infiltration
  • Application of professional sealant for maximum adhesion
  • 10-year warranty on all caulking work

Door and Window Caulking


Fogging between the two panes of glass signals a broken window seal, a common problem that doesn't require replacing the entire window. We replace only the faulty glazing, a solution that is much more affordable and more durable than defogging.

We offer several types of glass to suit your needs:

  • Regular glass
  • Energy-efficient glass (argon or Low-E)
  • Triple-pane glass
  • Tinted glass
  • Glass with integrated tile 
  • Custom-shaped glass

Foggy Thermal Window Glass Replacement

Applicable to PVC, wood, and aluminum windows.


Worn weatherstripping doesn't just let drafts through. Over time, its deterioration can accelerate the breakdown of adjacent frames and seals, turning minor maintenance into a major repair. Our technicians act quickly to restore the seal on your windows.

We replace weatherstripping on:

  • Crank windows
  • Wood, PVC, and aluminum windows
  • Exterior doors
  • Garage doors

Weatherstripping Replacement


Hardware and mechanisms from the past 50 years

We can replace all types of hardware components and carry parts compatible with what's been used over the past 50 years, including slides, cranks, folding handles, and locks.

  • Over 50 crank models available in stock
  • Parts to fit every model, regardless of the window's age
  • An economical solution that avoids full replacement

Cranks and Hardware

30 years of experience extending the life of your windows.