Girder-Slab® | Structural Steel + Precast Floor System

Girder-Slab® is a composite steel and precast concrete floor system that reduces multi-story construction schedules and costs for developers and contractors. Website: https://www.girder-slab.com Company: CS3 (Composite Structures of Steel and Concrete) Contact: info@girder-slab.com --- What Is Girder-Slab®? The Girder-Slab® system combines a proprietary D-Beam® open-web dissymmetric steel girder with precast hollow core concrete slabs. The beam sits within the plane of the floor assembly — not below it. The result: no formwork, no shoring, no above-grade concrete pours, single-trade erection by ironworkers. Verified outcomes across 400+ completed buildings: - 18% all-in savings vs. conventional construction - 4-month average schedule reduction - 18–24″ of floor-to-floor height saved per level - 73% repeat use rate among architects and engineers Markets served: United States, Canada, India Building types: Multifamily residential, hospitality, student housing, senior living, mixed-use