Bürkle associates with PGT Innovations

Published on : Monday, September 16, 2019

PGT Innovations of Venice, Florida opted for the recently introduced Bürkle IFL glass lamination system, which will be integrated into its production in 2020. This is an inline laminating system for laminated glass, consisting of thermo-oil heated flat presses under vacuum.


The Bürkle IFL process is a multi-stage lamination process which, in the first step, uses a double-sided heated vacuum flat press. For glass thicker than average, a second step is recommended, which uses a flat press through which also heat from above and below is introduced into the product. A flat press with cooled press plates is then used to cool the laminated glass. The system has a usable area of ​​2.6m x 5.0m.


“This series production system enables significantly faster turnaround time in production and reduces energy costs compared to a conventional autoclave system with unprecedented uniform flatness of the laminated glass. Full integration of the system into our production line further improves the process efficiency of lamination of our current product portfolio, “says Bruce Wesner, Sr. Director of Engineering Services, PGT Innovations.


Bürkle’s Inline Flat Press Laminating System is particularly suitable for the production of Laminated Glass, Safety Glass (VSG), Smart Glass, Decorative Glass, Solar Modules and other special glass laminates.


The Bürkle IFL process (IFL = Inline Flat Lamination) is characterised by:

  • Particularly fast lamination of laminated glass compared to autoclave processes (reduction of lamination costs)
  • The possibility for line integration of the machines (inline process)
    Highest lamination quality thanks to particularly homogeneous heating plates heated on both sides
  • The possibility of lamination with very low pressures
  • Significantly lower energy costs compared to the autoclave process


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