Girder-Slab®

> Manufacturer of the Girder-Slab® composite steel and precast concrete floor system for multi-story construction. The system combines a proprietary D-Beam® open-web steel girder with precast hollow core slabs to deliver faster schedules, lower costs, and superior acoustic performance vs. conventional concrete alternatives. 400+ completed buildings across the US, Canada, and India. Girder-Slab® is designed for mid- to high-rise multifamily residential, hospitality, student housing, and senior living projects. The D-Beam® girder sits within the plane of the floor slab — eliminating beam depth, formwork, shoring, and above-grade concrete pours. Single-trade erection by ironworkers. Verified outcomes: 18% all-in savings, 4-month average schedule reduction, 18–24″ of floor height saved per level. ## Key Pages - [Home](https://www.girder-slab.com/): The Girder-Slab® system overview — the problem with conventional construction, system performance, and role-specific value propositions. - [The System](https://www.girder-slab.com/the-system): How the D-Beam® works, 6-step assembly sequence, technical specifications, and acoustic performance data (STC/IIC tested values). - [Why It Works](https://www.girder-slab.com/why-it-works): Structural system comparison — Girder-Slab® vs. Filigree Flat Plate, Conventional Flat Slab, and Post-Tensioned systems. Financial impact analysis. - [For Engineers](https://www.girder-slab.com/for-engineers): Free engineering resources — D-Beam® Calculator, CAD/PDF construction details, specification language, acoustic data sheet, structural system matrix, and direct CS3 consultation. - [Projects](https://www.girder-slab.com/projects): Portfolio of 400+ completed buildings — selected projects with verified outcomes across multifamily, student housing, and hospitality. - [Evaluate](https://www.girder-slab.com/evaluate): Free project evaluation — CS3 evaluates fit at no cost; response within one business day. - [Sustainability](https://www.girder-slab.com/sustainability): Embodied carbon data, 93%+ recycled content in structural steel, LEED/BREEAM compatibility, local ordinance compliance. - [Preferred Partners](https://www.girder-slab.com/partners): Directory of 48 steel fabricators and precast manufacturers with Girder-Slab® project experience — searchable by type and region. - [D-Beam® Calculator](https://www.girder-slab.com/calculator): Interactive structural design tool for D-Beam® sizing (ASD and LRFD). Free; registration required. ## AI-Readable Versions - [Home](https://www.girder-slab.com/index.md) - [The System](https://www.girder-slab.com/the-system.md) - [Why It Works](https://www.girder-slab.com/why-it-works.md) - [For Engineers](https://www.girder-slab.com/for-engineers.md) - [Projects](https://www.girder-slab.com/projects.md) - [Evaluate](https://www.girder-slab.com/evaluate.md) - [Sustainability](https://www.girder-slab.com/sustainability.md) - [Preferred Partners](https://www.girder-slab.com/partners.md) - [D-Beam® Calculator](https://www.girder-slab.com/calculator.md) ## Contact - Website: https://www.girder-slab.com - Email: info@girder-slab.com