STB Forms

ST Bungalow LLC presents

STB Forms

The first stay-in-place formwork system with a geometry (vaulted, arched, shell structure) that lets concrete work in pure compression — no steel rebar, no FRP bars, no steel decking.

Our first full-scale 3D-printed prototype test — University of Maine ASCC, June 2026 — watch on YouTube

20%

Concrete reduction vs. conventional rebar construction

$300B

Size of the steel reinforcement bar market STB Forms can replace