Faour Glass Technologies' SLIMPACT XL Stack Hurricane is engineered using Florida Product Approval (FL #25673.3) for HVHZ large-missile with design pressures of +/- 75 PSF. The XL Stack is now available in up to five panels of 12-foot widths x 8-foot heights capable of completing a 40-foot high opening. This new glazing solution offers discerning residential and commercial building owners the option to use the innovative frameless SLIMPACT XL window system in vertical and stacked applications. Engineered with structurally glazed horizontal joints, SLIMPACT XL Stack eliminates bulky aluminum mullions, providing unobstructed views with unparalleled beauty and performance.