The JJI-Joist system combines the JJI-Joist products with custom sized glued laminated timber (glulam) and system specific metalwork to create a highly flexible offering, ideal for framing structural floors, roofs and walls. Like all James Jones' products, the JJI-Joist production process has been independently audited to PAS 2050 standard meaning we are able to provide accurate carbon negative numbers for those customers looking to measure the carbon footprint of their project.
Our recent £4.5 million investment in a new finger-jointing line and production plant improvements means that we have the capacity and flexibility to meet the anticipated growth in demand for our engineered timber products.
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We produce around 40% of all the i-joists sold in the UK and our JJI-Joist is the I- joist specified most often by architects.
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