FW1-70 Series offers the use of a special locking clip to hold the glass in 4-way structural system. A glass fixing support is also used in addition of structural silicone to strengthen the fixation. This protects the glass sheet from falling down and at the same time increases its lifetime ex- pectation to twice as long. The system offers the use of EPDM rubber pads to isolate in between transom and mullion sections which forbids noise, resulting from daily contraction and expansion. EPDM front gas-kets are fixed as well before the structural silicone which prevents water leakage in case the silicone is not well filled.