Designed for hurricane-resistant buildings’ single- and twin-span applications, Tubelite ForceFront® Storm (FFS) 400T Series Curtain Wall systems:Have been Florida Product Approved and Texas Department of Insurance ApprovedComply with Florida Building Code High Velocity Hurricane Zones (HVHZ) 3 and 4 – large missile (D) and small missile (A) impact and cycling [ASTM E1886/E1996, TAS 201 and 304]Have a 90 psf Design Pressure rating for captured and structural silicone-glazed (SSG) single spansThese hurricane-resistant single- and twin-span curtain wall systems feature:Thermally improved aluminum framing2-1/2″ by 8-1/16″, 8-9/16″, 9-9/16″ or 10-9/16″ framing profilesAllowance for 1-5/16″ laminated glazing or IGUsOutside-glazed pressure plate system, available in captured and structural silicone-glazed (SSG) configurations\Shear-block constructionOptional captured and SSG horizontals and verticalsFor a complete hurricane impact-resistant system that is easy to fabricate and install, our curtain wall framing also is compatible with Tubelite ForceFront Storm storefront and entrance systems. Durable anodized and painted finishes provide long-lasting protection and color options.This hurricane-resistant storefront is ideal for office, healthcare, education, government and other commercial buildings.