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Cladding:

Fire Retardant:

Roof Pitch:

Supported or Self Supporting:

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

Products  >  Underlay  >  Thermobar 346 Double Sided Foil
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Thermobar 346 Double Sided Foil

A Fire Retardant Double sided Foil Insulation, consisting of two layers of highly burnished aluminium foil, bonded with a fire retardant adhesive to a woven polymeric mesh.  Due to its highly reflective surfaces, and used in conjunction with a still air space, provides thermal insulation and a vapour control layer.

Key Features

  • Fire Retardant
  • Extremely tear resistant
  • Vapour Control Layer
  • Environmentally Friendly

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 / Coated Woven Fabric / Aluminium Foil
Basis Weight (g/m²):
108
Roll Sizes (m²):
1350mm x 50, 1350mm x 75, 1350mm x 100
Roll Weight (kg):
5.4, 8.1, 10.8
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:
Extra High
Requirement: R1/R2/W1/W2
Emssivity Foil Surface:
0.03
Requirement: Reflective
Cavity:
--
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