FW450 Miami Dade approved Storefront window with a 4″ frame depth and maximum design pressures of +80/ -90 PSF. Listing Back To Top Design Visualizer Previous Next Downloads Product Info About Education Media Specs Specs Add to Project+ Favorite User Feedback Company Resources Back to top Photos Blog Brochures Commercial Brochure Residential Brochure Scout Brochure Sentinel Brochure Sparta Brochure Support Documents FAQ Impact Protection Warranty