Maximize your living space: 6 9/16” super-duty frame and slim welded sash design to enjoy maximum viewing area. When fully retracted, gives easy access to the exterior living. Energy efficiency: All PVC multi-chambered mechanically fastened frame, Glass panels inside the insulated part of the wall, Heavy-duty weather seals around frame and sashes ensuring optimum air and water tightness, ENERGY STAR® qualified and achieved an R-Value of 6 Quality and peace of mind: Frame and sashes with metal reinforcement for maximum sturdiness and long lasting quality construction, Sill with high drain threshold for excellent water drainage, Stainless steel rolling hardware and hinges, Multi-point locking system into the header and sill, All PVC virtually maintenance-free and all exposed aluminum on head and sill tracks is anodized preventing corrosion, Extruded aluminum screen frame with unique retractable operation. Rolling coil or pleated screen systems available. Innovative solutions: Security enhanced with a 3-point locking hardware and independent locking systems at every other panel, Trouble-free operation with high quality hardware, Stainless steel top hung roller system provides smooth and effortless operation, Low profile ADA aluminum sill for better accessibility to people with reduced mobility and for commercial applications. Screen doors: Pleated Screen System, single screen, All doors exceeding a width of 177” require 2 screen systems, Available in white and black, Rolling Coil Screen System (retractable) single screen, Rolling Coil Screen System (retractable) double screen , All doors exceeding a width of 144” require a double screen, Available in White, clear anodized, bronze.