SL-114 Series is designed and constructed using the highest quality materials to produce a smooth sliding system that compliments each home or office where it’s used. This offers an effective and useful feature such as the use of epdm flocking gaskets which helps the shutter slide easily. Having dual weather seals at the top, bottom and sides provide the benefits of dust elimination and air tightness. The system offers the use of high quality hardware, accessories and a water drainage system.