QUEENS, NY — National manufacturer Crystal Window & Door Systems recently expanded its architectural fenestration product line with the introduction of a new window wall system. The Crystal W50i is a feature- and option-rich window wall system suitable for all types of buildings including mid- and high-rise multifamily, office, hospitality, and institutional properties. Fully installed from within the building’s interior, with floor-to-ceiling glass and a slab bypass option, the unitized Crystal product replicates the look of curtain wall with the benefits of easier handling, faster and safer installation, less on-site labor requirements, enhanced thermal performance, outstanding aesthetics, and greater cost effectiveness.