The J-Strut Advantage
J-Strut Props are a next-generation adjustable steel formwork prop independently certified to both Australian and British standards. J-Strut spans a range of approximately 1800mm closed to 3110mm fully extended — a single prop covering the most commonly required heights on residential and commercial sites. Two features set J-Strut apart from every competitor in this size class.
Impact Wrench Compatible
J-Strut is the only adjustable formwork prop on the Australian market designed to be operated with a standard impact wrench drill. Every competing product in this size range — Acrow Size 2, Gorilla PROP-198, Turbo Size 2, and Butlin Maxi Prop 3.20m — requires manual winding by hand.
Dual International Certification
J-Strut has been independently certified to AS3610:1995 — the Australian national standard for formwork for concrete. This is not a factory datasheet or marketing claim. It is a certified result from physical testing under demanding real-world conditions:
