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Bob talks with Ron Ardres from ReddiForm about the construction of the home’s concrete-slab floor. First, sidewalls were erected using ReddiForm expanded polystyrene foam forms. Then, ten-inch-deep foam decking is laid down, forming a ceiling over the basement story. The decking is temporarily supported with falsework until the concrete sets. Steel is placed using stirrups between the grooves in the foam blocks.
PEX tubing, used in a radiant heat application, is put down on top of the foam, which is then covered with a rollout mesh. Bob talks with Jason McKinnon of Viega North America and with Tim Cutler, of TJ’s Plumbing & Heating about the PEX tubing.
Last, the concrete for the first floor slab and walls is poured, all at once, thanks to the ReddiForm blocks. The sidewalls are supported by a vertical bracing and scaffolding system, which prevent the walls from being blown out during the pour.
