Product Selection Guide ENTRANCES - PRODUCT COMPARISON EFCO KAWNEER OLD CASTLE BUILDING ENVELOPE US ALUMINUM Model 35XT MegaTherm® XT Entrance ThermaStileTM D302 360 Insuclad MS-375 Thermal Series 250-T Thermal Door Model 50XT MegaTherm® XT Entrance ThermaStileTM D502 560 Insuclad WS-500 Thermal Series 400-T Thermal Door Model 35H Impact Resistant & Blast Mitigating Entrance for Monolithic and Insulating Glass D300 Impact 350 Heavy Wall™ IR MSD-375 Impact IG 500/600 YKK AP PRODUCT Page-4 PS-1000-08 | Effective Date: April 28, 2020