Sidey – manufacturer and installer of energy efficient doors, windows and curtain walling systems – has previewed its SolarthermPlus range of products at a specially convened exhibition designed to demonstrate excellence in British innovation, design, engineering and manufacturing. <br> <br> The company’s SolarthermPlus range of windows and doorsets, all of which are designed, extruded and fabricated in the UK, deliver u-values down to 0.7 whilst being available on very short lead times.<br> <br> KitFix, another Sidey product, enables windows and doors to be factory fitted into timber frame and structurally insulated panel systems. The glass is protected with Scratchgard – the company’s glass protection system. All of Sidey’s products offer significant opportunities to inexpensively enhance building performance and meet all Code for Sustainable Homes levels.<br> <br>