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noise and vibration

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(Thermal Insulation Material TIM)


Armatherm FRR thermal break materialArmatherm FRR thermal break material

Armatherm™ FRR structural thermal break material provides a combination of low thermal conductivity and high compressive strength and has been used in hundreds of structural steel framing connections transferring load in moment and shear conditions. Armatherm™ FRR thermal break material can support up 40,000 psi and has an R value of 0.9 per inch. The material is made of a reinforced, thermoset resin which is fire resistant and has very limited creep under load, making it the ideal material for use in structural steel and façade thermal break connections.

Applications using ArmathermTM FRR to reduce heat flow include:

FRR Icons

Armatherm™ Bushing and Washers.Armatherm thermal break
washers and bushings

Washer and Bushings using Armatherm™ Thermal Insualtion Material (TIM)

With a bolt through insulation pad there is the possibility of a slight thermal transfer along the connecting bolt.

For the majority of installations this can be ignored, however this effect can be reduced with the addition of Insulation washers and bushing.

In extreme applications (e.g. Indoor Swimming Pools), to prevent condensation on the bolt head, a polyurethane nut cap can be supplied to effectively screen this cold surface from the internal environment.

Structural Steel Thermal Break Connection

Nut and Bolt Fixings kitsArmatherm steel bolt thermal break

To further reduce heat loss, Armatherm™  bushings and washers can be used on the warm face of the structure. A thermal break at the bolt connection will reduce heat loss an additional 4% per bolt depending on the wall assembly construction.

Therman Break DiagramStructural Thermal Break with Bushing and Washer

Thermal Break Diagram
Steel bolt connection thermal break



Contact us for assistance with your structural design or thermal calculations. 


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Armatherm™ Thermal Break Pads are often called, Thermal Bridges, balcony isolators, structural thermal breaks, cantilever steelwork thermal bridging, cold bridge isolation, thermal partitions,   steelwork thermal break, thermal bridging, cold bridging pads, cold bridging solutions. All of these solutions use Themal Insulation Material TIM to achieve their goals.

Armatherm™ TIM (thermal insulation material)  connection plates are available all over the USA

  • AL Alabama - Montgomery
  • AK Alaska - Juneau
  • AZ Arizona - Phoenix
  • AR Arkansas - Little Rock
  • CA California - Sacramento
  • CO Colorado - Denver
  • CT Connecticut - Hartford
  • DE Delaware - Dover
  • FL Florida - Tallahassee
  • GA Georgia - Atlanta
  • HI Hawaii - Honolulu
  • ID Idaho - Boise
  • IL Illinois - Springfield
  • IN Indiana - Indianapolis
  • IA Iowa - Des Moines
  • KS Kansas - Topeka
  • KY Kentucky - Frankfort
  • LA Louisiana - Baton Rouge
  • ME Maine - Augusta
  • MD Maryland - Annapolis
  • MA Massachusetts - Boston
  • MI Michigan - Lansing
  • MN Minnesota - Saint Paul
  • MS Mississippi - Jackson
  • MO Missouri - Jefferson City
  • MT Montana - Helena
  • NE Nebraska - Lincoln
  • NV Nevada - Carson City
  • NH New Hampshire - Concord
  • NJ New Jersey - Trenton
  • NM New Mexico - Santa Fe
  • NY New York - Albany
  • NC North Carolina - Raleigh
  • ND North Dakota - Bismarck
  • OH Ohio - Columbus
  • OK Oklahoma - Oklahoma City
  • OR Oregon - Salem
  • PA Pennsylvania - Harrisburg
  • RI Rhode Island - Providence
  • SC South Carolina - Columbia
  • SD South Dakota - Pierre
  • TN Tennessee - Nashville
  • TX Texas - Austin
  • UT Utah - Salt Lake City
  • VT Vermont - Montpelier
  • VA Virginia - Richmond
  • WA Washington - Olympia
  • WV West Virginia - Charleston
  • WI Wisconsin - Madison
  • WY Wyoming - Cheyenne

Armatherm™ Thermal connection plates are available all over  Canada.

  • Ontario, Ont.
  • Quebec, Que.
  • Nova Scotia, N.S.
  • New Brunswick, N.B.
  • Manitoba, Man.
  • British Columbia, B.C.
  • Prince Edward Island, P.E.I.
  • Saskatchewan, Sask.
  • Alberta, Alta.
  • Newfoundland and Labrador, N.L.
  • Yukon Territory, Y.T.
  • Northwest Territories, N.W.T.
  • Nunavut

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