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Armatherm™ Z Girt Structural Thermal Break
Armatherm

Armatherm™ Z Girt Structural Thermal Break

Thermal bridging is recognized as a significant factor in building envelope heat loss. It has been determined that the total heat flow through typical wall assemblies is underestimated by as much as 70% due to thermal bridging, yet simply adding insulation to walls has been proven to not necessarily decrease the energy use of a building. Heat flow paths (thermal bridges) allow heat to by-pass the insulation, negating any benefit of installing more insulation in the wall.
Metal, cement and laminate wall claddings are supported by and attached to continuous girts or clips that penetrate the exterior insulation layer, creating thermal bridges. These fastening systems are normally made of highly conductive steel or aluminum, creating significant energy (heat) loss. It has been demonstrated that these thermal bridges in conventional steel stud wall assembly construction reduce insulation effectiveness (R value) by as much as 50%, resulting in wall assemblies and interface details that do not meet current energy code requirements for minimum U value.

When thermal bridging is ignored, the unaccounted for heat flow creates higher heating and cooling costs, oversizing of HVAC equipment, operational inefficiencies and higher energy consumption.

Technical specification
  • Unique ref.z-girt-structural-thermal-break-cladding-attachment
  • Product familyArmatherm™ Z Girt
  • Product groupArmatherm™ Z Girt
  • TypeObject (single object)
  • Date of publishing2021-04-08
  • Edition number1
Related
  • Material mainFiber Glass
  • Designed inUnited Kingdom
  • Manufactured inUnited Kingdom
Classification
  • BIMobject CategoryBuilding Materials - Insulation
  • IFC classificationStructural Connection
  • ETIM CodeEC000406
  • ETIM NameThermal insulation
  • UNSPSC nameThermal insulation
  • UNSPSC code301415
  • Uniclass 2015 CodePr_35_90_15_89
  • Uniclass 2015 DescriptionThermal break connection plates
  • CSI MasterFormat 2014 Code07 21 00
  • CSI MasterFormat 2014 TitleThermal Insulation
  • OmniClass Number23-13 25 19
  • OmniClass TitleThermal Insulation 

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