ICF (Insulated Concrete Form)
ICF is a system of formwork for reinforced concrete made with rigid thermal insulation that stays in place as a permanent interior and exterior substrate for walls, floors, and roofs. The forms are interlocking modular units that are dry-stacked and filled with concrete. The units lock together and create a form for the structural walls or floors of a building. ICF construction has been used for both low rise commercial and high performance residential construction as more stringent energy efficiency and natural disaster resistant building codes are adopted.