SmartSlide Trade vertical sliding Sash windows· 125mm front-to-back dimension · Window sizes up to 1600mm x 2600mm · Triple seals for excellent draught-proofing · Galvanised steel reinforcement throughout · Anti-jemmy bar for protection against break-ins · Enhanced aesthetics, with decorative horns · Georgian bars and ovolo styling · Triple-chambered construction for acoustic and thermal insulation · Internal webs for maximum stability and impact resistance · Pre-machined slot-in end caps for fast, accurate, consistent quality fabrication · Georgian bar features special fixings to prevent sash spreading · We only use the best quality hardware...