Cast-in-place reinforced concrete structural members deflect under load. Whatever the cause of the problem, engineers have sometimes tried to control deflection effects by requiring cambered form ...

Extrutech's 8-in. thick panel is a "stay-in-place" form for concrete poured structural walls. Panels are 8-in. and 6-in. thick, by 24-in. wide, with cut-to-the-inch lengths up to 20 ft. long.

Apex Block, a Roseburg, Ore.-based subsidiary of Lacuna Inc., plans to expand its manufacturing by constructing 11 new plants during the next 16 months. Apex Block makes lightweight insulated concrete ...