Alteza is committed to offering products of the best quality and high durability, and back it up with a two-level support of the highest standards. Our post-sale ‘service assurance offer’ covers any functional issues to your windows and doors – everything is resolved FREE OF COST. There is no charge for our time nor for the service extended during the first 12 months of installation.
The Alteza comprehensive product guarantee plan is automatically activated immediately on purchase of any Alteza product. The validity of the aluminium windows and doors warranty is for 10 years and covers Alteza profiles, hardware products and all components of the windows and doors.
Always clean the glass using a glass cleaner and a soft cloth to avoid getting scratches on the surface.
Clean out the dirt and debris from all moving parts on a yearly basis. Lightly oil the moving parts with machine oil. Avoid the use of metal polish or other harsh cleaning products.
Clean the surfaces of the frame with a soft cloth to remove grime and dust. Use a mild liquid detergent and rinse with water to remove stubborn stains.
The key-way, latch and keeps should be kept dirt, debris and obstruction free.
Apply a generous smear of petroleum jelly or grease to both sides of each additional hook and bolt. This keeps the lock functioning smoothly.
The track surface should be cleaned, and lightly greased, once a year with petroleum jelly.