- Welcome to the web pages of ALLIED WATERPROOFING WHETHER IT IS PARKING GARAGE MAINTENANCE, PLAZA RESTORATION, VAULTED SIDEWALKS, POOL DECKS, OR OTHER SURFACE COATING NEEDS, OUR EXPERTS ARE ABLE TO ASSIST YOU. PLEASE SELECT FROM THE CHOICES ON THE RIGHT TO LEARN MORE. THANK YOU, BILL LEONHARD, PRESIDENT Allied Waterproofing, Inc. 4205 Lawndale Ave. Lyons, IL 60534 Voice Phone: 708-447-6800 For ...www.alliedwaterproofing.com