Site Work: Formwork Installation
Aug 21, 2009
Once the underslab insulation was installed we proceeded with installing the foundation formwork, another process that was rather simple and quick. For the foundation of the building we will be using a grade beam system, similar to a slab on grade.
To create the grade beam, we used prefabricated, insulated formwork called: insulated concrete forms (ICFs). While the system costs are comparable to an ordinary wood-framed formwork, the thermal performance is significantly greater.
ICFs are made of clipped together insulated panels, in which the concrete is poured. The plastic clip system that holds the panels together also supports the rebar, holding it securely in place during installation.
The benefits of the prefabricated, clip together sections are the reduced cost and improvement of energy efficiency with fast installation.
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