James Jones & Sons Ltd Timber Systems Division

James Jones & Sons Ltd Timber Systems Division is the UKs largest manufacturer of FSC certified I-Joists, branded as JJI-Joists. Combining high-grade softwood with an engineered composite panel, JJI-Joists are used in commercial and residential construction as load-bearing and non load-bearing members for roofs, walls and floors. They offer several advantages over conventional structural products, including a composition that resists shrinking and warping, an excellent strength to weight ratio, straight and uniform dimensions, plus FSC and BREEAM accreditation.