Visit Portes & Fenêtres des Appalaches for your doors and windows projects in Thetford Mines: take advantage of a large selection of entrance doors, sliding doors, French doors and PVC or hybrid (PVC & aluminium) windows from the company Vaillancourt Doors and Windows.

Business hours

Monday thru Friday: 9 am - 5 pm
Saturday: 9 am - 12 pm
Sunday: Closed


379, boul. Frontenac Est
Thetford Mines Québec
G6G 1N5
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Entrance doors, sliding doors & French doors in Thetford Mines

Entrance doors, sliding doors & French doors offered at Portes & Fenêtres des Appalaches  are sold, manufactured, assembled and delivered in Quebec. Vaillancourt is the only doors and windows manufacturer that does everything here!

All PVC and hybrid (PVC & aluminium) windows available at Portes & Fenêtres des Appalaches

Vaillancourt has various window models and you will find them all at Portes & Fenêtres des Appalaches: casement, awning, hung, sliding & architectural windows available in 2 materials, depending on the model, which are PVC and hybrid (aluminium & PVC). The PVC used by Vaillancourt Doors and Windows has a unique composition that offers greater durability and a glossy finish that reduces dirt adherence. Many custom options are also available.

Sale, installation & after-sales service at Portes & Fenêtres des Appalaches

Visit Portes & Fenêtres des Appalaches in Thetford Mines and admire the doors and windows in their showroom to make the best choice. Do not hesitate to ask advisors your questions about the products presented, installation and all the options from which you can benefit!

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