In commercial and multi-family construction, formboard isn't just for holding wet concrete—it is a blueprint for your electrical rough-in. Here is everything you need to know to get it right. Formboard (often called "ceiling formboard" or "permanent formwork") is a structural panel used to support poured concrete floors and roofs. Unlike temporary wood forms that get stripped away, permanent formboard stays in place, becoming the finished ceiling surface.
✅ Avoid putting two boxes back-to-back through the same formboard rib – concrete may not fill properly. formboard electrical
✅ on any metal edge that touches wire. Vibration from the pour can abrade insulation. In commercial and multi-family construction