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Insulated Concrete Forms (ICFs)

Video

Video describing insulated concrete forms.

The Insulating Concrete Forms Magazine

Reference

Information sheet disucssing myths about insulated concrete forms.

Insulated Concrete Forms (ICFs)

Guide

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

Right – Insulated concrete forms (ICFs) provide the insulated stem wall for the slab-on-grade foundation for this SIP house.

Right – Insulated concrete forms (ICFs) provide the insulated stem wall for the slab-on-grade foundation for this SIP house.

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Insulated Concrete Forms - Installation Training Video

Video

Video from ICFbuildings on how to design and install ICF on an entire home.

Technology Solutions Case Study: Insulating Concrete Forms

Case Study

Case study describing the incorporation of insulating concrete forms (ICFs) into new home design and construction.

Costs and Benefits of Insulating Concrete Forms for Residential Construction

Reference

Information sheet with construction details, pros and cons of insulated concrete forms.

Field Energy Performance of an Insulating Concrete Form (ICF) Wall

Reference

Research study evaluating the dynamic heat transmission characteristics through two identical Insulating Concrete Form (ICF) wall assemblies in Ottawa, Canada.

Insulated concrete forms (ICF) provide an insulated below-grade foundation wall; the floor is connected to the ICF wall with joist hangers and ledger bolted into the concrete core of the ICF

Insulated concrete forms (ICF) provide an insulated below-grade foundation wall; the floor is connected to the ICF wall with joist hangers and ledger bolted into the concrete core of the ICF

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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.

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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Right – ICFs provide an insulated form for the concrete of the foundation wall.

Right – ICFs provide an insulated form for the concrete of the foundation wall.

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This community of production homes in central New York state was built with insulated concrete forms (ICFs), which provide a highly insulated, airtight structure that is fire-, pest-, wind-, and earthquake-resistant.

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This 14-story multifamily building was constructed with insulated concrete forms (ICFs)

This 14-story multifamily building was constructed with insulated concrete forms (ICFs)

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Concrete is being poured into the wall forms made by the rigid foam insulated concrete form blocks.

Concrete is being poured into the wall forms made by the rigid foam insulated concrete form blocks.

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Right – These three urban-infill cold-climate homes were built on insulated concrete foundations.

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ICFs provide continuous wall insulation from the roof to the footing with very little thermal bridging

ICFs provide continuous wall insulation from the roof to the footing with very little thermal bridging

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Standard Specification for Flat Wall Insulating Concrete Form (ICF) Systems, ASTM E2634-18(2022)

Reference

A specification covering the application of Insulating Concrete Forms (ICFs) that act as permanent formwork for cast-in-place reinforced concrete beams & walls which was published in the year 2022 and is available for preview and purchase at the reference link.

Special molded corners provide continuous insulation layer at the corners to improve structural strength and minimize thermal bridging

Special molded corners provide continuous insulation layer at the corners to improve structural strength and minimize thermal bridging

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How Insulating Concrete Form vs. Conventional Construction of Exterior Walls Affects Whole Building Energy Consumption

Reference

Report sumarizing results of an ICF investigation of side-by-side houses in Knoxville, Tennessee.

Right – 11-inch ICFs provide R-50 of wall insulation from the footing to the roof on this cold-climate home.

Right – 11-inch ICFs provide R-50 of wall insulation from the footing to the roof on this cold-climate home.

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This multistory multifamily building was constructed of insulated concrete forms (ICFs); synthetic stucco can be applied directly over the ICF

This multistory multifamily building was constructed of insulated concrete forms (ICFs); synthetic stucco can be applied directly over the ICF

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Manatee County Habitat for Humanity trains its volunteers to construct homes made of construct insulated concrete forms (ICFs).

Manatee County Habitat for Humanity trains its volunteers to construct homes made of construct insulated concrete forms (ICFs).

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Insulated concrete forms are hollow foam blocks that are stacked to form walls, reinforced with plastic spacers and steel rebar, and then filled with concrete.

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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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Right – The entire first floor and second floor of these modular homes were assembled in the factory and installed on an insulated concrete basement foundation on site.

Right – The entire first floor and second floor of these modular homes were assembled in the factory and installed on an insulated concrete basement foundation on site.

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In multistory insulating concrete form (ICF) buildings, the concrete floor slabs are integrated into the ICF exterior walls and structurally supported by the reinforced concrete wall cores

In multistory insulating concrete form (ICF) buildings, the concrete floor slabs are integrated into the ICF exterior walls and structurally supported by the reinforced concrete wall cores

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Synthetic stucco wraps all four sides of the window openings and creates a pan flashing on the sills in exterior walls created from insulated concrete forms (ICF)

Synthetic stucco wraps all four sides of the window openings and creates a pan flashing on the sills in exterior walls created from insulated concrete forms (ICF)

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The floor slab is completely insulated with ICF foundation walls and R-20 (3 inches) of closed-cell foam that is sprayed directly onto the ground before pouring the slab.

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Right – Two inches of rigid foam was installed on the ground before pouring the basement floor slab while precast, pre-insulated concrete panels comprise the basement walls.

Right – Two inches of rigid foam was installed on the ground before pouring the basement floor slab while precast, pre-insulated concrete panels comprise the basement walls.

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Between the ICF foundation walls, the builder sprayed closed-cell spray foam directly onto the gravel base to provide a vapor barrier and continuous layer of insulation under the slab.

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