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Supported or Self Supporting:

Breathable: Any Yes No
Vapour Control Layer: Any Yes No
Air Barrier: Any Yes No

Products  >  Underlay  >  Thermabar 731 Foil Insulation
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Thermabar 731 Foil Insulation

A Fire Retardant Lightweight Weight Insulation Foil, consisting of two layers of aluminium foil and paper laminate, bonded with a Fire Retardant Adhesive and reinforced with Fibreglass in a tri-directional pattern.

Key Features

  • Fire Retardant
  • Insulating Foil
  • Easily Installed

Advantages

Can be used as a Vapour Control Layer and improve thermal performance if installed and taped on the warm side of bulk insulation. Is tear resistant and when used in conjuction with a still air cavity, provides thermal insulation.

PropertiesUnit
Construction:
Aluminium Foil / Paper / FR Adhesive / Reinforcing / Aluminium Foil
Basis Weight (g/m²):
285
Roll Sizes (m²):
1350mm x 75
Roll Weight (kg):
21.3
Flamability (Fl):
≤ 5
Water resistance (mm):
Requirement: 100mm (Roof Underlay)
Pass: Yes
pH Extract (pH):
Requirement: 5.5-8.0
Pass: Yes
Shrinkage (%):
Requirement: ≤ 2%
Pass: Yes
Air Barrier:
air_barrier
Durability (Years):
15
Max UV Exposure (days):
7
Wind Zone:
Very High
Requirement: R1/R2/W1/W2
Emssivity Foil Surface:
0.03
Requirement: Reflective
Cavity:
--
Cladding:
Direct Fix Absorbent Cladding, Direct Fix Non Absorbent Cladding, Direct Fix Metallic Cladding
Breathable:
--
Vapour Control Layer:
vapour_control
Fire Retardant:
fire_retardant
Air Barrier (MN s/m³):
Requirement: ≥0.1
Pass: Yes