CASEMENT AND AWNING WINDOWS : EV350-GP327-3 1/4" Performance   Air tightness design pressure A3 (Maximum performance) Water tightness design pressure B7 (Maximum performance) Wind load resistance C5 (Maximum performance) Resistance to forced entry F20 (Maximum performance)   Navigation : Windows > Casement and awning windows > Models > GP327 - 3 1/4" (EV350) > Performance All Right Reserved - Roberge & Fils ©2002-2011 - Designed and programmed by Radium inc.