SunPro® Foil Kraft (FSK-BA) Radiant Barrier

SunPro® Foil Kraft (FSK-BA) Radiant Barrier


35 to 7 layer co- extruded composite material made of Fiberglass Rainforced mesh in kraft paper with two side special highly reflective aluminum foil.

Typical Physical Property

Property(Grammage) Test Method(ISO 536) Unit(g/sqm) Results(130–150 (+/-5%))
Water Vapour Transmission ASTM F 1249 N <1
Temperature resistance ASTM C 1263 –29 ˜66 ´C - Remains Flexible No Delamination
Reflectivity ASTM E408 % 97%
Emissivity ASTM E408 % 0.03
Working Tempreture - Celsius -50 to 110’C


Our SunPro® Foil Kraft ( FSK Both Side Aluminium ) insulation are mainly used as aluminium foil roof insulation, reflective foil wall insulation and also could be applied as finishes onto rock wool, glass wool etc. Our product is used as a moisture vapor barrier facing in air conditioning ductworks and cold rooms. This flexible thermal insulation sheets also service as energy insulating barrier in aid duct and HVAC system.


High reflected rate 97% aluminium foil as outer surface could reflect solar light and block thermal radiant energy; Kraft as liner made it much more stronger than single layer of pure aluminum foil, could be fold- ed into any shape so as to install easily.

Packaging Details

  • Core ID: 76mm (3inch) Standard
  • length: 250 mtrs, Other lengths available On request
  • Thickness tolerance: +/-7% Maximum
  • 1220mm & 1520mm