The Confort 125 system is a robust insulated sliding door and window system that offers various configurations like mono, duo, and tri-rail options. It has strong profiles, stainless steel rollers, polyamide support, and insulation for high performance. Configurations can include single to six sliding vents, low thresholds, and frame sizes up to 300kg and 3x2.8m. It provides wind and water resistance, security, and impact resistance. Frames and vents are assembled with eccentric or press corners for a precise fit and fast installation.