SureSill™ Sloped Sill Pan, and HeadFlash™ Sloped Head Flashing are patent-pending technologies made only by SureSill, Ltd. SureSill™, HeadFlash™, Wet-R-Dry™ and DrainShield™ are the exclusive trademarks of SureSill, Ltd. © 2005, SureSill, Ltd. All Rights Reserved.