20 & 45 Minute

Alum Windows’s frames are constructed from thermally broken narrow aluminum extrusions filled with a proprietary fire blocking material.

Features and benefits include:

  • Clean, sharp lines of narrow extruded aluminum framing
  • Barrier to radiant heat
  • Energy efficient
  • Multitude of finish options
  • Factory finished and fabricated completed before delivery

AF85 Series Windows

Alum Windows’s fixed storefront window frames are constructed from thermally broken narrow aluminum extrusions filled with a proprietary fire blocking material.

Frame Section: 2-1/2 x 3-3/8 in

Frame Weight: 4.8 lbs/ft