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Insulated Concrete Forms for Walls

Build unlimited wall widths, many different insulation values, corners, angles, T-walls, columns, pilasters, and radius walls, using just a few standard components.

Panels made of Expanded Polystyrene (EPS) and Ties made of High Density Polyethylene (HDPE) create a Concrete Form that accommodates vertical and horizontal Reinforcing Steel as required.

Filling the cavity with concrete creates solid, reinforced concrete walls with 2-4 hour Fire Resistance Ratings (FRR), low maintenance, and outstanding durability. The EPS Forming System stays in place to provide space to run small utilities, serve as backing for finishes, and incorporate superior, continuous insulation layers. The high insulation values, low air infiltration, and high thermal mass can achieve significant energy savings for building owners, operators, and tenants over the building's longer lifetime.

Temporary bracing is usually required only for vertical and horizontal alignment.

Many different wall and insulation thicknesses are available using ties and panels of varying sizes. The Quad-Lock System encompasses these components:

These components allow assembly of all concrete forming for your walls, including corners, arches, angles, columns, pilasters, as well as T-Wall connections. Transport and storage costs of Quad-Lock are substantially lower compared to pre-assembled block systems. Ordering and keeping track of inventory is easier (you would need at least 45 different parts to do the same with pre-assembled blocks).

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Also refer to the available Quad-Lock Accessories.

R-Value Choices for Quad-Lock Walls

ICF R-Value Configurations

More Choices


Quad-Deck Project

Quad-Deck - The ICF for Floors, Roofs, and Tilt-Up

Quad-Deck ICF is a high-quality concrete form for suspended concrete floors and roofs and can also be used to form walls for Tilt-Up applications. More Information

R-ETRO Insulation System

Easily add R-18 insulation to existing walls with superior attachment features for finishes. More Information


A number of excellent complementary products for Quad-Lock ICF solutions are available from most Quad-Lock distributors.

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ICF Construction Overview