Windows • Curtain Walls • Entrances • Storefronts Series 511 2-7⁄16" Thermal Impact/Blast Grade Fixed/Projected/Casement Window Casement Out with Butt Hinges • Fixed • Project-Out Designed for educational, office and healthcare facilities, the 511 window systems features the E-Strut ® thermal isolator as the thermal barrier. This enhances the thermal performance and allows dual finish. Florida Product Approval 12912.5, 12912.6, 13784.2, 14628.3, 14831.5 and 14831.6. E-Strut™ thermal isolator Completely eliminates dry shrinkage Dual finish capability Improves U-Factor performance Angle reinforced vent corners Improves sash/vent rigidity Pressure equalization Superior water resistance Anodized and painted finishes available Multiple options to answer economic and aesthetic concerns © Copyright 2013 EFCO Corporation 4/13 1000 COUNTY RD • MONETT, MO 65708 • 800.221.4169 • efcocorp.com

Windows • Curtain Walls • Entrances • Storefronts Series 511 2-7⁄16" Thermal Impact/Blast Grade Fixed/Projected/Casement Window Main Frame Construction The frame is constructed from .125" nominal material wall thickness aluminum of 6063-T6 alloy with a depth of 2 7/16". An equal leg frame is standard. Corners are of screw spline construction and back sealed with a small-joint seam sealer. See Illustration 1. Vent Frame Construction The 2 7/16" deep vent consists of tubular aluminum members with .125" nominal material wall thickness of 6063-T6 alloy. Vent corners are mitered, angle-reinforced,...