the universal
floor and roof

G-Joist enables prefabrication of floors and roofs

the universal
floor and roof


G-joist: least weight, cost, CO2 emission,
most flexible, and longest span

Prefabrication is the preferred method for cost-effective construction. Current trend for efficient erection are floor cassettes with the shallowest depth floor and roof system. G-Joist is an ideal floor and roof joist for preassembled cassettes offering the lowest cost, excellent flexibility, and superior depth-to-span ratio, G-joist spans up to 30 m (90 ft).

G-Joist has least material

Least material

G-Joist is all wood

All wood

G-Joist is most ecological

Most ecological

G-Joist is most cost-effective

Most cost-effective

About us

Our mission is to change
the construction paradigm

Globally, 70 % of all structural construction material is used in floors and roofs. G-Joist has the least material, is the most ecologically responsible, and is the most cost-effective and flexible.

Our team at G-Joist continues to develop glued timber truss technology, holds the Intellectual Property Rights, product knowledge, patents, and approvals, licenses localized independent manufacturers, and develops proprietary assembly machinery.

Contact us

Are you interested?

Looking for more information? We are here to assist those interested in investing or becoming licensed partners to grow the G-Joist universe.