Insulating concrete forms (ICFs) are hollow “blocks” or “panels” made of expanded polystyrene insulation (EPS) or other insulating foam used to permanently form concrete structures. ICFs result in cast-in-place concrete walls that are sandwiched between two layers of EPS foam material, providing insulation for the structure they enclose. This combination creates a wall with many desirable properties: strength, insulation, and noise control.
Concrete walls built with insulating concrete forms (ICFs) give a building enhanced comfort, solidity, durability, resistance to natural disasters, quietness, and energy efficiency (increased R value). Use of ICFs is growing rapidly. They offer owners and builders many advantages compared to wood or steel frame walls.
Common Uses
ICFs are used to build walls in residential, commercial, industrial, and institutional buildings. Traditional finishes are applied to interior and exterior faces, so the buildings look similar to typical construction, although the walls are usually thicker.
ICFs can be used in single family and multifamily homes, apartments and condos, retail stores, hotels, schools, government buildings and industrial projects.
Advantages
Insulating concrete forms provide benefits to builders and building owners alike.
ICF Owners:
- strong walls
- structural safety and disaster mitigation
- mold, rot, mildew, and insect resistance
- energy efficiency and cost savings
- fire resistance
- noise control
Contractors & Builders:
- efficient installation & construction
- easy onsite fabrication
- light weight for easy shipping and erection
- compatibility with carpenter trades
- ability to meet higher energy code mandates with less complicated construction
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