YKK AP product approvals can be viewed online at floridabuilding.org Double-Hung Windows StyleGaurd™ impact resistant double hung windows provide an element of security and protection while improving the thermal efficiency of your house. StyleGuard double hung windows are built for years of trouble-free use by utilizing corrosion resistant hardware that stands up to harsh coastal environments. Picture and Transom Windows StyleGaurd™ picture and transom windows capture attention inside and out, adding light and personality to any room. Geometric Windows StyleGaurd™ geometric windows offer endless possibilities for dramatic lighting, elegant accents and unique combinations with other StyleGuard windows. View / Download Printable Catalog (PDF)