Horizontal Sliders are a versatile and slimline Secondary Glazing procedure that is out there with a mix of two to 5 panels, they consist of twin brush seals that present the best possible thermal and acoustic insulation. Horizontal sliding for 4mm glass or plastic sheet applying specifically developed self-adhesive tracks. https://bathroomrefurbishment35432.mybloglicious.com/52626975/the-ultimate-guide-to-secondary-glazing