I-Joists

Smith & Frater is a supplier of the James Jones range of engineered I Joists manufactured in Scotland by James Jones Ltd.

The JJI–Joist system is the only fully engineered system designed and manufactured in the UK by a UK owned company.

Through the use of the bespoke, dedicated software programmes, JJI-Joists can be specified and engineered to exacting standards for applications including floors and roofs of both domestic and commercial buildings.

JJI-Joists are an accepted building material within the construction industry with third party certification from both the British Board of Agrément and BM TRADA certification.

Joists/Glulam

The JJI-Joist system relies on a unique combination of engineered products designed to complement each other and deliver outstanding performance.

JJI – Joists

The work horse of the system - a versatile light weight structural member ideal for floor joists, rafters, purlins and wall studs.

Glulam

For the most demanding applications, high strength and stiffness combined with dimensional stability makes this the ideal choice for heavily loaded members in floors roofs and walls.