Offer The Best Guarantees

Here at Sternfenster, we have always put our Installer Network and trade customers at the forefront of everything we do. As part of this commitment, we always offer the highest quality products so that you can offer your customers the best of the best. Across our range of uPVC and aluminium products, we work closely with market leaders to ensure we are consistently delivering the highest standards.

In fact, we have so much faith in the quality of our products that we offer the best guarantees across our entire range.

We have invested heavily in state-of-the-art machinery that allows us to supply a huge range of high quality glass units for windows, doors and conservatories to fulfil your customers every need. Not only do we have an on-site toughening plant and two completely automated glass lines, but our sealed units are made using high quality Planitherm glass and come in a variety of sizes, styles and designs. We are proud to offer a 20 year warranty on all our sealed units, giving you the peace of mind that we have faith in our products, and you can invest your faith too. Our IGUs also come with a 5 year guarantee against condensation within the unit.

Here at Sternfenster, we consistently deliver high quality uPVC windows and doors to our Approved Network and trade customers. We proudly partner with Deceuninck to bring you our exceptional uPVC profiles, that offer fantastic heat retention and noise insulation that you can offer to your customers. Across our range, we offer a huge range of colours and wood effect finishes to allow for a comprehensive range of choices. Best of all, we offer a 12 year guarantee on our PVC profiles. This means you can offer your customers a fantastic and appealing guarantee that gives both you and them peace of mind.

The safety and security of your customers is one of our highest priorities. We therefore take extra care in ensuring that our entire range of products meet rigorous security standards, to give you and your customers complete peace of mind. When one of your customers upgrades to any of our Secured By Design windows and doors, they will benefit from a SecurePlus security guarantee of up to £2000! Our SecurePlus service is completely free of charge, providing that your customer registers their product within the first 28 days of their installation. Furthermore, we also offer £1000 towards a security beach as well as £500 towards excess claims. These fantastic guarantees mean your customers can feel safe and secure with an installation that provides financial peace of mind.

Our guarantees are just one of the many benefits of choosing to start selling Sternfenster or become a part of our fantastic Approved Installer Network. Find out more today about how Sternfenster can boot your business and help you deliver the highest quality products to your customers.