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Advanced Window Bonding System for Glass Windows
| "These are the best looking and most durable convertible top windows available." |
We are very excited about this new window bonding process that has already been successfully developed for the Porsche Boxster, Ford Mustang, Audi A4, Audi TT, Nissan 350Z, VW Beetle, BMW 3 Series, Mazda Miata MX5 and other vehicles.
Notice the clean, finished appearance of our convertible top glass window on the left compared to a typical heat sealed window on the right on an Audi A4 convertible.
 |  | Advanced Window Bonding System
| Typical Heat Sealed Window
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Eliminate the need for Unsightly Stitching and Piping around your Glass Windows.
On selected vehicles, windows are bonded using an advanced window bonding system we call AWBS. The AWBS manufacturing system eliminates the stitching, piping and press marks commonly found around the window on heat-sealed tops or Silicone bonded tops.
When convertible tops only had plastic windows the process of securing them to the canvas or vinyl was relatively easy. With the introduction of glass window convertible tops the process became much more complicated. Over the years, various processes were used, including one still in place that entails gluing the window with silicone and then using wood vices to hold the glass in place until it cures.
This was the cheapest method because no special tools are required , but it is also the least effective, and it is unfortunately, in our opinion, still widely used in the Aftermarket, particularly for domestic and Japanese vehicles, and even beginning to be used on Porsche, Volkswagen and other German imports.

Another process was developed to heat-seal the window to the frame and fabric, which was more expensive because custom fixtures are required for each window size. This method was more effective, but the 
A robot controlled process to ensure a perfectly made convertible top every time.
| | | unpredictability of the manufacturing process results in a higher failure rate of the bond leading to window separation and/or leaking around the windows. And, depending on the window required piping and stitching of pockets to hold the glass.
Our factory's engineering team set out to develop a process that would address the problems of separation and leakage with a side benefit of a more “factory finished” look.
After 1000's of hours of researching, prototyping and
testing, a new patent pending process was developed that virtually eliminates all of the inherent problems of heat seal or silicone.
This process is so unique that completely automated equipment had to be designed in order to manufacture the tops using advanced computer controlled robots (as seen in the image to the right) and some seriously strong and safe military grade adhesives.
While the actual process is complicated and proprietary we can say that it involves wrapping the topping around an internal support structure and adhering the glass to the resulting assembly with a special
bonding agent developed specifically for this purpose.
The result is an extremely strong bond between the glass and the topping with no stitching or piping. The robot applies the adhesive uniformly using custom built fixtures designed specifically for each vehicle.
The process virtually eliminates window separation and leaks and are the best built, best looking glass window convertible tops available.
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