DriStud F3 Foil Insulation

Fire Retardant Standard Weight Double Sided Foil

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Product Overview

DriStud F3 is a standard weight, fire retardant, medium duty, double sided reflective foil insulation, designed for use as insulation and condensation control under metal in commercial and industrial buildings. It is a high water barrier, medium vapour barrier product, ideal for steel roofs. It provides extra R-value from inward and outward facing reflective surfaces when used in conjunction with adjacent air spaces.

Technical Properties

Total weight103 ±5 g/m2
Flammability indexAS1530.2-1993Low
DutyAS/NZS 4200.1:1994Medium
ReflectivitySide A: 97%, Side B: 97%
Resistance to water penetrationAS/NZS 4201.4:1994High
Vapour barrierASTM E96Medium

Special Requirements

Buildings of the following types using metal cladding should have a sealed vapour barrier and are subject to specific design.

  • Swimming pools.
  • Buildings containing liquids stored in open containers.
  • Buildings where water is used in manufacturing, cleaning or storage processes.
  • Ice rinks, cold stores and freezers.
  • Buildings where unvented gas heating is used.

A vapour barrier incorrectly located on the cold side of a structure or poorly installed can result in a rapid build-up of cavity or interstitial condensation and result in high costs for rectifying defects and damage. Cold stores, freezers or buildings where the temperature is near or below 0° all require a fully sealed vapour barrier located on the warmer outer side of the insulation but are subject to specific design.

Available Sizes


1350mm x 19m (25m2)
1350mm x 56m (75m2)