Our doors and windows...Quality FOR LIFE! Vaillancourt Products Windows and doors designed, manufactured, and assembled in Quebec for over 74 years. SEE THE PRODUCTS Lifetime warranty! You warranty will still be valid even after 20 years. A REAL lifetime warranty! We are confident about this, as we measured with great accuracy and transparency the eligible criteria to provide you peace of mind. OUR WARRANTIES Financing Accord D financing available. FIND OUT MORE ZERO DEPOSIT + ZERO PAYMENT FOR THE FIRST 3 MONTHS OF YOUR PURCHASE! Contact us for aFREE QUOTE