Tools / Steel

HSS Truss Tool: Steel Hollow Section Roof Truss Design
Design of steel hollow-section (SHS / RHS / CHS) roof trusses from a library of 93 standard configurations: basic wind speed from the site coordinates, IS 875 loads, IS 800:2007 member design, IS 4923 grades, an automatic STAAD.Pro check and PDF / Excel reports.
- 93 standard configurations: pitched 10-30 m, lean-to 5-9 m, lattice portal 15-20 m, parallel chord 35-90 m
- Basic wind speed from latitude / longitude (IS 875-3 map); IS 875 Parts 1-3 loads
- IS 800:2007 member design (optimise or check), IS 4923:2017 grades YSt 210-460
- Automatic STAAD.Pro run with force comparison and IS 800 code check (STAAD.Pro 2023/2024, optional)
- PDF and Excel reports with client / contractor / concessionaire block, quantities and the STAAD input as Annexure A
Program files
Free to download; they run only with a paid licence key. Your licensed copy comes after payment, on this page and by email.
Windows 10 / 11, 64-bit. Internet is needed each time the tool starts, for the licence check.
Pay, download, design
Choose a tool
Watch the tutorial and check the sample output on the tool's page.
Pay securely
Razorpay checkout with UPI, cards or net banking. Razorpay emails your payment receipt.
Download here
Your licensed copy and the program download straight from this website.
Activate & design
Open it once with internet and your licence locks to your PC.
Before you buy
What do I get after paying?
Your licence key and a one-time link to your own licensed copy appear on screen at once and are emailed to you. The program files download from the Downloads section above.
Can I use it on two computers?
No. One licence works on one computer; it locks to the first PC it opens on. Buy a second licence for a second PC.
Do I need internet?
Yes, a connection is needed each time the tool starts, for a quick licence check. Your design data stays on your PC.
Will I get an invoice?
Razorpay emails a payment receipt straight away. For an invoice in your company's name, email [email protected] with your payment ID and company details.
What if it does not run on my PC?
Tell us within 7 days. If we cannot fix it, you get a full refund (see the refund policy).