Products High Performance Thermal XTherm™ XTherm Series 450X, 450G SpecificationsCAD Details 4 1/2" Heavy Commercial Projected/ Casement / Fixed Flush-Face Window - NFRC CMA Approved XTherm Series HX32 Single hung (tilt), FX32 Fixed SpecificationsCAD Details 3 1/4" High Performance Thermal Single Hung (Tilt Sash) / Fixed Architectural Grade Window - NFRC CMA Approved XTherm Series HX45 Double Hung, FX45 Fixed SpecificationsCAD Details 4 1/2" High Performance Thermal, Hung / Fixed Architectural Grade Window - NFRC CMA Approved XTherm Series PX32 SpecificationsCAD Details High performance Thermal 3 1/4" Heavy Commercial Projected / Casement / Fixed Window - NFRC CMA Approved XTherm Series SX45, FX45 SpecificationsCAD Details 4 1/2" High Performance Thermal, Horizontal Sliding / Fixed Architectural Grade Window - NFRC CMA Approved XTherm Series 450X, 450G SpecificationsCAD Details 4 1/2" Heavy Commercial Projected / Casement / Fixed Flush-Face Window - NFRC CMA Approved XTherm E-Lite SpecificationsCAD Details Interior Light Shelf XTherm E-Shade SpecificationsCAD Details3D Models EFCO Sunshade XTherm Series 325X, 325G SpecificationsCAD Details3D Models 3 1/4" Heavy Commercial Projected / Casement / Fixed Flush-face Window - NFRC CMA Approved XTherm Series 403X (T) SpecificationsCAD Details 2" x 4 1/2" Thermal Storefront Framing XTherm Series 406X (T) SpecificationsCAD Details 2" x 6 1/2" Thermal Storefront Framing XTherm System 5500X SpecificationsCAD Details 2 1/2" Thermal E-Strut™ Curtain Wall - NFRC CMA Approved XTherm Systems 2 1/4" 5600, 2 1/2" 5600 and 2 1/2" 5900 SpecificationsCAD Details Duracast® Fiberglass Pressure Plate - NFRC CMA Approved XTherm® 8250 Unitized Curtain Wall 3D Models 2-1/2" x 7-1/2" System XTherm® System 8750XD Unitized Curtain Wall SpecificationsCAD Details3D Models 3" x 7 1/2" Unitized Curtain Wall