High performance in terms of air and water tightness, dust, insects, sound reduction requires sealing of the full sash perimeter. Any low threshold or threshold-less arrangement will compromise the performance aim but traditional living habits combined with ergonomics are today’s overriding factors for fenestration.

J D ENTERPRISE is offering, wherever possible, Aluminum low threshold solutions or provide suggestions on how to prepare ground levels to hide the unwanted, high frame up stand associated with Fold & Slide Patio Doors and Tilt & Slide Patio Doors. J D ENTERPRISE has chosen purposely Aluminum thresholds with silver anodized finish to provide a hardwearing foundation for years of product durability.