Expert Meeting Report: Cladding Attachment Over Exterior Insulation

Research output: NRELSubcontract Report

Abstract

The addition of insulation to the exterior of buildings is an effective means of increasing the thermal resistance of both wood framed walls as well as mass masonry wall assemblies. The location of the insulation to the exterior of the structure has many direct benefits including better effective R-value from reduced thermal bridging, better condensation resistance, reduced thermal stress on thestructure, as well as other commonly associated improvements such as increased air tightness and improved water management (Hutcheon 1964, Lstiburek 2007). The intent of the meeting was to review the current state of industry knowledge regarding cladding attachment over exterior insulation with a specific focus on: 1. Gravity load resistance, 2. Wind load resistance. The presentations explorethese topics from an engineering design, laboratory testing, field monitoring, as well as practical construction perspective. By bringing various groups together (who have been conduction research or have experience in this area), a more holistic review of the design limits and current code language proposals can be completed and additional gaps identified. The results of which will help informdesign standards and criteria.
Original languageAmerican English
Number of pages64
StatePublished - 2013

NREL Publication Number

  • NREL/SR-5500-57260

Other Report Number

  • DOE/GO-102013-3841

Keywords

  • Building America
  • Building Science Corporation (BSC)
  • cladding attachment
  • expert meeting
  • exterior insulation
  • gravity load resistance
  • residential
  • residential buildings
  • wind load resistance

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