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When wiring is installed in ICF walls, openings made for wire runs should be air-sealed with caulk.

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These ICF homes are blower door tested during construction, before the drywall is installed, when air leaks can be easily sealed.

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Right – A simple stacked rectangular design and well-insulated and air-sealed ICF walls provide for an extremely energy-efficient structure.

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Construct exterior walls with insulated concrete forms (ICFs) that provide insulation without thermal bridging, as well as air sealing, a drainage plane, and high structural strength.

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Insulated Concrete Forms (ICFs)

Video

Video describing insulated concrete forms.

Building America Special Research Project - High-R Walls Case Study Analysis, RR-0903

Reference

Report considers a number of promising wall systems that can meet the requirement for better thermal control.

High-Performance Homes - A Simpler Design Strategy

Presentation

Webinar from Tom Patton of Fox Blocks on how changes to building codes are driving changes to framing assemblies and insulation, highlighting how ICFs can take over for traditional wood frame wall assemblies. Free EEBA login required.

Insulated Concrete Forms (ICFs)

Guide

Guide describing how to construct exterior walls with insulated concrete forms.