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Introduction

Fuel and power conservation is growing in
importance throughout the construction industry. With the introduction of new Part L 1a Guidelines regarding the efficiency of thermal bridging you need to know that there is a cost efficient solution for all your needs that will not compromise structural integrity.

 

Strong and Effective.

Armatherm Fabric Reinforced Resin (FRR)

Armatherm Fabric Reinforced Resin (FRR) Thermal Break Pads deliver high performance thermal insulation between interior and exterior steelwork and concrete to prevent thermal bridging. Cutting out thermal bridging stops conduction heat loss and prevents surface condensation from forming inside the bulding that can be due to cold transfer meeting warm air.


Armathane FRR Thermal Break Pads offer exceptionally high compressive strength for mechanical connections. Armadillo FRR have a compressive modulus marginally less than steel, (310 Mpa compared to 400 Mpa). This gives unrivalled stabillity in bolted joint connections.

 

  • Fast delivery from stock
  • Custom machining service
  • Design and advice service
  • Bushings and Washers for improved protection
  • Standard thickness’ from 10 mm to 40 mm
  • Rigid fixing for broken beam designs

 

Long Lasting

Oil and moisture proof Armatherm (FRR) Thermal Break Pads will give a service life in excess of 60 years.


In thermal bridge applications the pad is required to be exceptionally stiff to prevent relative movement between the
mating surfaces. The high compressive modulus (310 Mpa) ensures that Armatherm (FRR) Thermal Break Pads provide this.

 

Common Applications

  • Fast delivery even for complicated shapes.
  • Supplied to site packed and labeled ready for installation
  • Through bolted design for secure peace of mind strength
  • Low Thermal transfer 0.20 W/m.K compared to Steel at 54W/m.K

Armatherm

Armatherm Thermal Bush and Washer

For added thermal breaking, bushes and washers can be used on the warm face of the structure.

Armatherm

Some practical aspects and considerations
when using Armatherm Thermal Break Pads

  • Fast delivery even for complicated shapes.
  • Supplied to site packed and labeled ready for installation
  • Through bolted design for secure peace of mind strength
  • Low Thermal transfer 0.20 W/m.K compared to Steel at 54W/m.K

 Property    Typical Result    Units  
 Cross breaking strength    130    Mpa  
 Impact strength, notched, charpy    11.5    kJ/m2  
 Compressive strength (perpendicular to laminates)    310    Mpa  
 Shear strength, (perpendicular to laminates)    90    Mpa  
 Tensile strength    68    Mpa  
 Young’s modulus    6.3    GPa  
 Water Absorption      
 - 1.6mm thick    90    mg  
 - 3mm thick    105    mg  
 - 6mm thick    130    mg  
 - 12mm thick    160    mg  
 Electric strength, perpendicular to laminates in oil at 90 deg      
 - 1.6mm thick    4.5    MV/m  
 - 3mm thick    2.6    MV/m  
 - 6mm thick    2.0    MV/m  
 Electric strength, edgewise in oil at 90 deg    12    kV  
 Insulation resistance after immersion in water    1x10    ohms  
 Relative density    1.36    - 
 Maximum working temperature      
 - continuous    120    ºC  
 - intermittent    130    ºC  
 Thermal classification    Class E    - 
 Thermal conductivity through laminae    0.20    W/(mK)  
 Thermal expansion in plane of laminae    2.2    X 10-5/ K  
 Specific Heat    1.5    kJ/(kgK)  

Test Methods to BS EN 61212-2, where applicable

 

Neoprene Thermal Break Pads
(Lower specification, reduced cost option)

In non critical applications or where cost is an overriding factor
the use of Armadillo Grade 133 Neoprene may be a suitable
alternative to grade FRR pads.


While the compressive strength of the Grade 133 is not as high
as FRR a rigid connection can still be constructed where
bending moments are not as severe.

Technical Spec:
 Colour    Black  
 Hardness    85 Duro  
 Max Temp    110°C  
 Min Temp    -20°C  
 Density    1400Kg /M3  
 Compressive Strength    12 Mpa  
 Thermal Conductivity    0.36 W/(mK)