HPG deluxe®

HPG deluxe®

HPG deluxe® Replacement Window

The clever on-rafter insulation solution


  • Inner lining and replacement (retrofit) window, compact, preassembled
  • Rugged design, load distrubution onto existing trimmers and rafters
  • No intermediate rafter, visually superior
  • Interface roof boards / replacement (retrofit) window middle of rafter / trimmer
  • Installed from the outside, no interior finishing needed
  • No cover strips or costly visible edge details with shadow gaps
  • Installed fast

Everything included

  • Roof window
  • Interior lining (various materials)
  • Vapor barrier film connection
  • Insulation
  • Sub-roof film connection (heat-fused)

Guarantee Added Value

  • Optimal in terms of structural physics
  • Ensures a building’s value preservation

Available Versions

  • Single or multiple elements: Standard / alpin®

Logistics / Installation

  • Just-in-time delivery to the construction site
  • First-time installations supervised by our specialists