The Easifold range of folding sliding doors, which already features a bespoke freeglide running system, now also features an industry leading U-value of 1.32, outperforming the Part L 2010 requirement of 1.7, Origin claims<br> <br> The free-glide running system designed by the UK manufacturer uses nearfrictionless, maintenance-free needle roller bearings encased in tough nylon and concealed within the bottom track to ensure ease of operation.<br> <br> Precision engineered from maintenance-free and recyclable aluminium that will not warp, rot or need varnishing, the Easifold range is available in more than 500 powder-coated RAL colours, realistic wood-effect finishes, metallics and dualcolour options, as well as a marine grade for aggressive environments.<br> <br> Featuring an industry-leading 20 year guarantee, the doors feature elegant ultraslim sightlines, can be designed in a variety of different configurations to open in or out of a room and fold to the left or right, and are complemented by a range of colour-coded or stainless steel ergonomic lever handles.<br> <br>