Breather-Foil FR - Technical Specification
Breaterh-Foil FR Bubble 0.125 m²K/W
Breaterh-Foil FR Cavity 0.665 m²K/W
Breaterh-Foil FR total Thermal Resistance 0.790 m²K/W
Nail Tear Rsistance BS4016 (wet & Dry) min 70N
Environmental CFC & HCFC Free
Dimensions Thickness
  Width
  Length
  Jointing Strip
(to suit truss depth)
  Foil Tape
4mm
1350mm/2620mm
50m/25m
270, 337, 450mm x 50m
50m x 75mm (24 rolls/box)

Breather-Foil FR was subjected to extreme internal and external conditions and left for an extended period of time. Moisture content of the timber structure was well within acceptable limits.

Rainscreen/Watertightness Breather-Foil FR has been successfully tested for water tightness and is an effective rainscreen.
(EN 1254:1999 Class R5).

Technical References
Tested
  • Building Regulations 2000 Approved Documents L1 & L2.
  • Building Standards Part J Sept. 2001
  • BRE publication ‘Thermal Insulation: Avoiding the risks’.
  • BRE Paper IP12/94 ‘Assessing the Condensation Risk and Heat Loss at
    Thermal Bridges Around Openings’.
  • BS EN ISO 6946 : 1997 Building components and building elements -
    Thermal resistance and thermal transmittance - Calculation method.
  • British Standard References: BS 5250 Control of Condensation in Buildings.

FBreather-Foil FR

  • Emissivity measured by National Physical Laboratory.
  • Thermal resistance measured by Independent Test Laboratories.
  • Tested to BS EN 12153:2000
    for water tightness and air
    permeability.
  • Manufactured in the UK and
    meeting the requirements of
    BS EN ISO 9002.

 

 
 
Out-performs Breather Membrane
Independently Tested
for Breathability
Fully Waterproof Can Improve U-VALUE To
0.27 W/m²K!
High performance Fire retardant CFC/HCFC Free
 
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