Series 6555 (TS) ¥ Series 6620 Fixed (T)
Series 6555 and 6620 retains an AAMA Heavy Commercial and Architectural Grade rating to meet the most demanding specifications. The 6555 and 6620 window system is an attractive product for a wide range of applications. Multiple glazing options provide flexibility to meet specific design requirements. E-Strutª thermal isolators provide outstanding thermal performance and dual finish capability. Offered with a complete line of sub frames, mullions and architectural sills, the 6555 and 6620 windows provide the complete solution for your fenestration needs.