Thermoseal Firespec and Facing Foils

Bradford Thermoseal

Bradford Thermoseal offers a wide range of facing foils that provide an additional layer of reflective insulation on glasswool products.

Thermoseal Firespec
Light Duty Facing (729)
Medium Duty Facing (730)
Heavy Duty Facing (750)
Heavy Duty Perforated Facing (750PERF)

Bradford Thermoseal Heavy Duty Perforated Facing (750PERF) foil is an excellent high strength acoustic facing for Glasswool and Rockwool when used as a facing for internal lagging of air conditioning duct work.

Bradford Thermoseal Heavy Duty Perforated Facing is a heavy duty perforated aluminium foil often used for facing Glasswool or Rockwool bulk insulation. It consists of two layers of aluminium foil and kraft papers bonded with flame retardant adhesive, with additional strength provided by reinforced fibreglass scrim.

Perforations on this product are 2.4mm in diameter giving a total open area of 10% providing acoustic treatment of walls and ceilings and can be used in combination with a Glasswool blanket as facing for internal lagging of air conditioning duct work.

Features and Benefits

  • Extra weight and heavy duty perforated foil for acoustic applications
  • Excellent facing for Glasswool and Fibertex Rockwool insulation
  • Cost effective facing of bulk insulation for acoustic treatment of industrial and commercial equipments
  • Used as an effective facing for acoustic insulation


Bradford Thermoseal Heavy Duty Perforated Facing is a facing material suitable for adhesion to Glasswool or Rockwool insulation products where protection of the insulated surface is required whilst maintaining sound absorptive properties of the bulk insulation.

Typical applications for Thermoseal Heavy Duty Perforated facing include; facing onto Glasswool and Fibertex air-conditioning internal ductliners and for sound absorption.

Perforated foil protects the insulation whilst giving a bright smooth foil aesthetic functional use.


m2 per
Rolls per 
1200  60  72  33 15166
1200  300  360 - 15168
1200  500  600 - -
1350  60  81  33 15174
1350  300  405 - 15177
1500  300  450 - 15180
1500  500  750 - 15181