What it costs
Open it and design: every module, every adjustment factor, every diagram, every check — in full, as many times as you like, without signing in. You sign in only to keep the work and to print it.
Save to the cloud
Reopen a project on any device.
Print the package
The permit-ready PDF, cover sheet to last page.
Verification link
Printed on the package — see the plan-checker band below.
The whole application. No account needed to start.
For when the work has to leave the screen — by subscription, or a single week.
Everything above, plus
Try it
Not screenshots and not mock-ups — these are the actual modules, loaded with the sample project’s values. Open a step, change a number, and watch the checks and diagrams recompute. Pick any module below, or page through with the arrows. Nothing you do here is saved.
5 of 10 · Beam B-1 — 2nd Floor @ Grid B/2–B/3
Connections & hardware
Hangers come from Simpson’s Hanger Selector, queried live from the module you are already working in — filtered by face-mount, top-flange, or concealed-flange, and by nail, bolt, or screw fasteners. StructSuite sends the governing ASD reaction it just calculated, normalized by the NDS load-duration factor CD to Simpson’s load-duration basis, then checks the chosen hanger’s allowable download and uplift against that demand.
Shear wall — Substep 4A: Hold-downs
| Model No. | Anchor Bolt Dia. | Wood Fasteners | Min. Wood Member (in.) | DF/SP (lb) | Deflection (in.) |
|---|---|---|---|---|---|
| HDUE5-SDS3 | 5/8 | (10) 1/4 x 3 SDS | 3 x 3 1/2 | 5,375 | 0.146 |
| HDUE9-SDS3.5 | 7/8 | (16) 1/4 x 3 1/2 SDS | 3 1/2 x 3 1/2 | 8,425 | 0.159 |
| HDUE13-SDS3.5 | 1 | (23) 1/4 x 3 1/2 SDS | 5 1/2 x 3 1/2 | 11,900 | 0.164 |
16 rows across the DTT and HDUE series; DF/SP allowables shown — the module also carries the SPF/HF column and requires you to choose one. Hold-down values are Simpson Strong-Tie’s published catalog data; hangers are retrieved from Simpson’s Hanger Selector API at design time.
StructSuite is an independent product and is not affiliated with, sponsored by, or endorsed by Simpson Strong-Tie Company Inc. Simpson Strong-Tie®, SDS, DTT, HDUE and SABR are trademarks of Simpson Strong-Tie Company Inc., used here only to identify the hardware StructSuite designs with; catalog values are shown for that purpose and are not a substitute for the manufacturer’s current published data.
Wood products
Pick the product and the design values follow from the right source — the NDS 2024 Supplement for sawn lumber and glulam, the manufacturer’s ICC-ES evaluation report for LVL, LSL, PSL, and I-joists — then the same NDS 2024 adjustment factors, the same checks, and the same printed report.
NDS Supplement 2024
Reference design values tabulated in the Supplement
Engineered Wood Products
Design values from the manufacturer’s ICC-ES Evaluation Report (ESR)
TJI® and BCI® are trademarks of their respective owners. Product names identify supported design-value sources; no affiliation or endorsement is implied.
AI plan check — coming soon
A full structural plan check, end to end: the drawings and the calculation package read together, cross-referenced, and written up as a correction list ready to send back. Watch it run on a residential permit set in 82 seconds.
Reads the whole submittal
Every schedule, note and callout on every sheet, and the calculation package page by page — loads, base shear, wall lines, members, footings. And what is missing.
Cross-references the halves
A beam tagged 11-7/8 on the plan against the 14 in the schedule and the calculation. A wall line tagged below its computed demand. Conflicts no single document reveals.
Writes the correction list
In the reviewer’s own format — grouped by sheet, numbered straight through, each comment naming the sheet, the location on it, and the value it conflicts with.
The demonstration runs on a drawn sample set; every finding it shows is provable inside that set. The AI review is what comes next — what ships today is right below: the reviewer opening the live calculation itself.
For the plan checker
Every printed package carries a verification link. The checker opens it in any browser and reads the same calculation the engineer designed in — live, and exactly as it was submitted. They install nothing and sign into nothing.
A link on the package
Printed on the calculation set itself. Nothing to email, nothing to request.
The calculation, not a PDF of it
Every module, every step, every formula with its numbers substituted in, and every ✓ PASS or ✗ FAIL — expandable in place.
Issued date, and any edits since
So a set on a desk can be matched to the calculation behind it.
Open the sample the way a plan checker would — the same report as the sample PDF, live.
Working in it
Every module is a sequence of steps you work down in the browser, and each check works itself out in front of you as you go. What prints is that same content rendered from the same components as the screen — not a second report layout that has to be kept in step with the first.
10
modules — everything a house needs
Dead and live loads, seismic, wind, beams, joists and rafters, columns, shear walls, footings and retaining walls — with the cover sheet that fronts the set.
Current
code editions, not last cycle’s
NDS 2024, SDPWS 2021, ASCE 7-22, ACI 318-25, AISC 360-22 and the 2024 IBC — each module states the edition it designed to, in its own printed output.
16
species and grades, tabulated
Prescriptive floor joist, ceiling joist and rafter spans straight from 2024 IBC Chapter 23 — pick a size off the table in seconds instead of running a full design, or switch to Trus Joist® TJI® spans for the engineered product.
Every step is shown
Each check prints the formula, the numbers substituted into it, the result, and the code section it comes from — not just a final answer.
Pass or fail, never buried
Every check ends in a plain ✓ PASS or ✗ FAIL, colored the same way on screen and in the printed report.
Change one number
Edit any input and the steps, checks, and report pages recompute as you watch — in the browser, with nothing to install.
Guides & worked examples
Every one is written by running the modules — NDS 2024, SDPWS 2021, AISC 360-22, ACI 318-25 and ASCE 7-22, each number carried through to the next step, with the drawings and the checks the report itself prints.