DESIGN TOOLS

JOIST WIZARD

Select the most economic joist depth based on your inputted special loads including uniform and non-uniform distributed, concentrated, axial, and end moments. Outputs include joist self-weight, top chord width, seat depth, and allowable maximum duct size.
Joist Wizard Tutorial

GIRDER WIZARD

Select the most economic joist girder depth based on your inputted point loads – either equally distributed or with special spacing and magnitude – as well as distributed loads, axial, and end moments. Outputs include girder self-weight, moment of inertia, top chord width, and seat depth.
Girder Wizard Tutorial

FLOOR WIZARD

Discover the most efficient combination of floor joist type, spacing, deck type, and concrete topping based on your project’s floor-to-floor height, design loading, and hourly fire rating.
Floor Wizard Video Tutorial

SHEAR AND MOMENT COMPARISON

This tool compares the shear and moment diagram for two different loading conditions.
Shear and Moment Comparison Tool Tutorial

VIBRATION ANALYSIS – WALKING

This tool analyzes floor system for Vibration based on Walking criteria using SJI TD5 and AISC DG11, and is for Joist floor with several Girder options.
Vibration Analysis Tool Tutorial

KNIFE PLATE CONNECTION DESIGN

This tool will check knife plates for both Top Chord and Bottom Chord Axial Load Transfer.
Knife Plate Connection Tool Tutorial

TIE-PLATE CONNECTION DESIGN

When you need to design your Axial-Load Transfer between bays with either an Under-Chord or On-Top Tie-Plate detail, this tool will provide calculations and any needed info to specify connection.
Tie-Plate Connection Tool Tutorial

SJI DESIGN TOOLS

Visit our Planning and Design Tools page for SJI Design Tools.

BARE DECK ANALYSIS TOOL NEW DESIGN TOOL

This comprehensive bare deck analysis tool includes uniform load, diaphragm strength and stiffness, web crippling, construction span and roving load analysis
Bare Deck Analysis Tool Tutorial

BARE DECK WALL ANCHORAGE

Design bare deck to resist the wall anchorage forces from combined seismic, wind, and gravity loading based on the combined axial and bending strength.
Bare Deck Wall Anchorage Tutorial

Wind Loads Calculator for Roof Systems

Quickly calculate upward and downward wind pressures per C&C or MWFRS.
Wind Loads Calculator Tutorial

COMPOSITE DECK-SLAB ANALYSIS NEW DESIGN TOOL

The Composite Deck Slab Analysis Tool gives structural engineers a complete platform for deck slab design — covering superimposed loads, concentrated loads, diaphragm capacity, multi-span checks, and vibration performance, all with printable engineering reports. Supports all Vulcraft and Verco deck profiles.
Composite Deck-Slab Analysis Tutorial

COMPOSITE DECK-SLAB SUPERIMPOSED LOAD

Calculate composite deck-slab strength and maximum unshored span tables for your composite deck configurations.
Composite Deck-Slab Superimposed Load Tutorial
Please Note: The existing version of this tool will be phased out in Q2 2026. We invite you to try our upgraded COMPOSITE DECK-SLAB ANALYSIS, which includes all the current features plus many new enhancements.

UNSHORED CONSTRUCTION SPAN

Calculate maximum unshored construction spans for thick slabs based on your design criteria.
Unshored Construction Span Tutorial
Please Note: The existing version of this tool will be phased out in Q2 2026. We invite you to try our upgraded COMPOSITE DECK-SLAB ANALYSIS, which includes all the current features plus many new enhancements.

DECK-SLAB DIAPHRAGM

Calculate diaphragm strengths and stiffness for deck-slabs with plain concrete, Bekaert Dramix steel fibers, WWR or rebar.
Please Note: The existing version of this tool will be phased out in Q2 2026. We invite you to try our upgraded COMPOSITE DECK-SLAB ANALYSIS, which includes all the current features plus many new enhancements.

UL Lookup Aid for Floor Systems

Find the UL fire assembly that meets your project needs by filtering deck profile, hourly rating, and fire protection method.
UL Lookup Aid Tutorial

SPANNING POUR STOP PER SDI

Use Steel Deck Institute Technical Note No. 3 to select a spanning pour stop.
Spanning Pour Stop Tool Tutorial

FLOOR WIZARD

Discover the most efficient combination of floor joist type, spacing, deck type, and concrete topping based on your project’s floor-to-floor height, design loading, and hourly fire rating.

PINTAIL^™ ANCHOR

The Pintail^™ Anchor tool helps you specify complex hanging and bracing scenarios. Its Bracing option maximizes assembly capacity, while the Hanging option reveals the maximum allowable tension strength for specified conditions.
PinTail^™ Anchor Video Tutorial

Bar Grating Design Aid

Need help deciding what grating to use? This tool will help you specify exactly what you need for your specific situation for a grating surface or stair treads.
Grating Design Aid Tool Tutorial

Sustainability Calculator

Calculate GWP for joists and decks, compare to industry baselines, and optimize material choices for greener, more sustainable building projects.
Sustainability Calculator Tutorial

BIM Technology Overview

Building Information Model (BIM) encompasses building geometry, spatial relationships, geographic information, quantities and properties of building components.

BIM Technology Glossary

NUBIM^® FOR REVIT^® DOWNLOADS

Our NuBIM^® for Revit^® add-in allows users to specify and model all parallel chord joists and joist girders available from Vulcraft as well as a number of common special profile joists and composite joists. Learn More About the Add-In for Revit^®

NUBIM^® FOR TEKLA^® DOWNLOADS

Vulcraft’s Joist Plug-In for Tekla^® Structures enables you to specify Vulcraft joists during the creation of the building model. The model can be exported containing Vulcraft joist information, which can then be used by Vulcraft to aid in the quoting and detailing process. Learn More About the Plug-In for Tekla^®

BARE DECK WEB CRIPPLING

Calculate one flange and two flange web crippling loads based on bearing length.

BARE DECK CONCENTRATED LOAD

Calculate the concentrated roving load that may be applied to any rib of the selected roof deck, in addition to the defined uniform loads.

BARE DECK UNIFORM LOAD

Determine the uniform gravity and wind-uplift loads for your bare deck configurations.

BARE DECK DIAPHRAGM

Calculate the bare deck diaphragm shear and stiffness for your configuration based on AISI S310 and IAPMO reports.

COMPOSITE JOIST FLOOR SYSTEM AID

If you need to analyze a Composite Joists System for your Floor, this tool provides specification guidance, estimated dead loads, stud quantities, bridging, and maximum sizes for ductwork.

Bare Deck Diaphragm per SDI DDM03

Calculate the unfilled deck diaphragm shear and stiffness based on SDI DDM03.

Deck-Slab Diaphragm per AISI S310-16

Calculate your deck-slab diaphragm strength and stiffness for selected deck profiles based on AISI S310-16.