Product Selection Guide STOREFRONTS - PRODUCT COMPARISON YKK AP PRODUCT YES 600 Front Loading Thermally Broken Storefront System YES 20 Sash Storefront System for Monolithic or Insulating Glass YHS 50 FS Impact Resistant and Blast Mitigating Storefront System for Monolithic Glass YHS 50 FI Impact Resistant and Blast Mitigating Storefront System for Insulating Glass YHS 50 TU Thermally Broken Impact Resistant and Blast Mitigating Storefront System for Insulating Glass Series 526 (T) IR 501 T FG-5750T StormMax® BR 601 - - - - System 960 EnCore® - - EFCO KAWNEER OLD CASTLE BUILDING ENVELOPE US ALUMINUM Series 525 (NT) IR 500 FG-5700 StormMax® IG 500 - IR 501 FG-5750 StormMax® BR 604/606 Page-12 PS-1000-13 | Effective Date: Aug 29, 2024