Any double glazing company can sell, they can also install the products they "buy in" from their suppliers and many do a decent job. Spire, however, is 100% committed to 100% quality on each and every frame manufactured and installed. To achieve this objective, all products are manufactured in our own factory and installed by our skilled and salaried installers.

The following videos give you a much deeper and closer look at various issues relating to our company and about double glazing in general. You will find information here that is relevant regardless which double glazing manufacturer / installer you choose.

Some Truth about 5-Point Locking on Double Glazed Windows and Doors

Some Truth about 5-Point Locking on Double Glazed Windows and Doors A cheap lock makes your supposed 'high quality' windows and doors about as useful in your attempt to enhance your home's security as a chocolate fire-guard - seriously. [watch the video]

Quality or Security is Not a choice in Double Glazing

Quality or Security is Not a choice in Double Glazing

We strongly believe that Quality or Security is Not a choice you should have to make when buying Double Glazing. Why not have both? Simple answer: Look for the kitemark. [watch the video]

If We Can Improve Our Double Glazed Windows & Doors - We Will

If We Can Improve Our Double Glazed Windows & Doors - We Will In order to always be manufacturing the absolute best products on the market, we are always looking for the best components out there. "If there's anything better than what we are using, we will use it." [watch the video]

Double Glazing - Quality - Beyond the BSI Kitemark Requirements

Double Glazing - Quality - Beyond the BSI Kitemark Requirements Having guidelines from British Standards relating to the kitemarks does not prevent double glazing manufacturers going even further and demanding more security, more quality... [watch the video]

Welded Corners in Double Glazed Windows and Doors

Welded Corners in Double Glazed Windows and Doors Dennis discusses the benefits of welded corners in Double Glazing windows and doors - how the use of a solid welded corner makes the frame much more sturdy and enhances the overall security. [watch the video]

Expensive PVC does not Guarantee Quality Double Glazing

Expensive PVC does not Guarantee Quality Double Glazing In this video, Dennis answers a few questions about "the differences between profiles and how the individual manufacturer, while having 'guidelines' from the systems manufacturer, ultimately decides how good the windows and doors actually are". [watch the video]

Customer Questions about Double Glazing Quality

Customer Questions about Double Glazing Quality Dennis Clark, MD of Spire Windows, answers a couple of frequently asked questions; 1. "Does high quality pvc profile guarantee high quality windows and doors?" 2. "What makes the big difference between window manufacturers?" [watch the video]