Supply Online offers the following guarantees on the aluminum frames:

• 5 year warranty on aluminum frames and windows;
• 5 year warranty on the hinges and locks;
• 5 year warranty on the ventilation grilles;
• 5-year warranty on the glazing system, including the placement of the ventilation grille on the glass;
• Glass breakage and scratches, other than those found on delivery, are excluded from the warranty.

The above guarantees only apply if the aluminum frames have been properly maintained. This concerns the maintenance of the window frame and the maintenance of the hinges and locks. You can find the maintenance advice here .