Product Selection Guide BALCONY DOORS - PRODUCT COMPARISON EFCO KAWNEER OLD CASTLE BUILDING ENVELOPE US ALUMINUM YSD 700 Heavy Commercial Sliding Glass Door Series 5XP HPS & HPX - - YSD 700 H Impact Resistant Heavy Commercial Sliding Glass Door Series 5XP HPS & HPX - - YTD 350 T Thermally Broken Architectural Terrace Door Series T350 TerraStile® 2000T Terrace Door Terra Swing™ Series 900 Terrace Door Terra Swing™ Storm Front Series D900 YKK AP PRODUCT YTD 350 TH Thermally Broken Impact Resistant Architectural Terrace Door Page-32 Series 351 TerraStile 2000T NX 8900 PS-1000-08 | Effective Date: April 28, 2020