Direct export configurations precision-engineered for commercial framing, cold logistics, industrial cleanrooms, and architectural finishing in Greater Boston and New England.
A technical guide for Structural Engineers of Record (SEOR), General Contractors, and Steel Erectors across Suffolk, Middlesex, and Essex Counties.
From shallow composite slabs to wide-rib structural roof diaphragm decks, each section is optimized for span efficiency, shear transfer, and ease of installation.
The standard industry workhorse for non-composite roof decks and short-to-medium floor spans. Features 6" rib pitch with 36" effective coverage width, providing maximum section modulus per pound of steel. Excellent diaphragm shear capacity for wind-load distribution under New England nor'easter conditions.
Engineered with proprietary mechanical web embossments that mechanically key into poured structural concrete. Functions as permanent positive flexural reinforcement, eliminating the need for bottom rebar while accelerating multi-story concrete placement in Boston high-rises.
Integrated flat bottom plates welded to corrugated ribs, incorporating micro-perforated webs and factory-inserted fiberglass sound-absorbing batts. Specifically specified in Boston educational institutions (MIT, Harvard facilities) to achieve NRC ratings above 0.85.
Long-span structural roof decking capable of spanning up to 14 to 18 feet un-shored between primary structural purlins or open-web steel joists. Frequently deployed across Greater Boston logistics centers and aircraft maintenance hangars at Logan International Airport.
| Profile Specification | Rib Depth | Cover Width | Design Thickness (Gauge) | Min. Yield ($F_y$) | Standard ASTM Zinc Coating | Target Boston Application |
|---|---|---|---|---|---|---|
| Type B Roof Deck | 1.5 in (38 mm) | 36 in (914 mm) | 22, 20, 18, 16 GA | 60 ksi (415 MPa) | G60 / G90 Galvanized | Commercial roofs, cantilevers, retail big-boxes |
| Type 2.0 VLI Composite | 2.0 in (51 mm) | 36 in (914 mm) | 20, 18, 16 GA | 50 ksi (345 MPa) | G90 Hot-Dip Galvanized | Multi-family residential, mid-rise office slabs |
| Type 3.0 VLI Composite | 3.0 in (76 mm) | 36 in (914 mm) | 20, 18, 16, 14 GA | 50 ksi (345 MPa) | G90 / Epoxy Primer Underside | Kendall Square Life Science Wet-Labs (Heavy dead loads) |
| Type N Deep Roof Deck | 3.0 in (76 mm) | 24 or 32 in | 20, 18, 16 GA | 50 ksi (345 MPa) | G60 / Prepainted Polyester | Industrial distribution, Route 128 logistics hubs |
| 1.0" Form Deck (Non-Comp) | 1.0 in (25 mm) | 36 in (914 mm) | 26, 24, 22 GA | 60 ksi (415 MPa) | G60 / Bright Galvanized | Stair landings, elevated pedestrian skybridges |
Targeted material and profile configurations addressing the unique structural, seismic, and corrosive realities of New England construction.
Biotechnology research facilities in Kendall Square and the Seaport require strict compliance with AISC Design Guide 11 (Vibrations of Steel-Framed Structural Systems). Sensitive laser optics, electron microscopes, and automated chemical analyzers cannot tolerate footfall-induced vibrations. Our heavy-gauge (16 & 18 GA) 3.0" composite decking provides exceptional torsional rigidity and higher transformed moment of inertia ($I_{tr}$), allowing 6-to-8 inch total slab thicknesses with normal-weight concrete to achieve resonance frequencies above 8-10 Hz.
Projects along Atlantic Avenue, East Boston, and Quincy are subjected to continuous airborne ocean chlorides and dense salt-fog. Standard G40 or flash-galvanized decks rapidly experience white rust and pit corrosion. We export structural decking strictly manufactured from ASTM A653 G90 (0.90 oz/ft² total zinc) with optional passivated chemical conversion coatings or marine-grade polyurethane underside coatings, ensuring a service life exceeding 50+ years even in unconditioned basement parking structures.
Navigating downtown Boston's historic, narrow street layout presents severe logistical bottlenecks. Large site laydown space is virtually non-existent. We offer millimeter-precise factory cutting, customized craning bundles packed by floor zone, and sequenced container arrivals routed via Conley Terminal. This eliminates on-site torch-cutting, minimizes steel scrap, and complies with City of Boston noise and staging restrictions.
Complete traceability, verified testing certifications, and documented embodied carbon profiles for streamlined municipal approval.
Fully compliant with Underwriters Laboratories (UL) Fire Resistance Directory designs (including UL D916, D759, and D902), providing certified 1-hour, 2-hour, and 3-hour fire-rated floor-ceiling assemblies with both lightweight and normal-weight concrete.
Boston's Building Emissions Reduction and Disclosure Ordinance pushes for minimal embodied carbon. Our coils utilize scrap-based Electric Arc Furnace (EAF) steel with verified Environmental Product Declarations (ISO 14025 Type III EPD) to maximize LEED v4 credits.
Tabulated diaphragm shear values ($S_n$) and stiffness factors ($G'$) calculated under the SDI Diaphragm Design Manual (DDM04), streamlining finite-element wind and seismic modeling for Boston Structural Engineers of Record.
Containerized or breakbulk ocean freight options offering direct calls to Conley Container Terminal in South Boston. Pre-cleared US Customs broker integration for prompt terminal gate release without detention delays.
Combining mega-scale production efficiency with stringent international quality assurance protocols.
Equipped with 14 automated twin-roll forming stations capable of continuous rolling up to 25 meters per minute, maintaining rib profile tolerances within ±0.8mm.
Every raw steel master coil undergoes spectrometric chemical composition testing, hydraulic yield testing, and coating adhesion bend testing before profiling.
Bundles are interleafed with moisture-resistant VCI rust-inhibiting paper, corner-armored with heavy galvanized angle protectors, and strapped with high-tensile steel bands.
Ability to bundle composite decking with cold-storage wall panels, standing seam roofing, and structural cold-rolled purlins inside consolidated project containers.
Detailed technical, regulatory, and logistics answers for estimators, structural engineers, and project managers.
Upload your architectural plans, structural framing layouts, or decking schedules. Our technical engineering desk will generate a comprehensive profile optimization proposal within 24 hours.
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