CSD Firestop Design Guide FREE CD-ROM Order Form To order a free copy of the CSD Firestop Design Guide CD-ROM for Windows & Macintosh, please complete and submit the following form. Or, if you like, complete the form, print it and fax it to us at (781) 665-0180. In either case, we'll mail you a ...

Welcome to Dorn Equipment Corp. Firestop & Weatherstop Products for Multi-cable and Cable-tray Penetrations We are the exclusive United States supplier of quality firestop and weatherseal products for multi-cable and cable tray penetrations. From our headquarters in Melrose, Massachusetts, Dorn ...

Firestop Products Firestop with Actifoam withstands three-hour fire test Multi-cable and Cable-tray Firestop Penetrations CSD FIRSTO firestops are designed to seal multi-cable and cable tray penetrations of fire-rated walls or floors. FIRSTO utilizes a metal frame that encompasses the entire cable r...

WSP Weatherstop Units Multi-cable and Cable-tray Weatherstop Penetrations WSP weatherstops are designed to seal penetrations of any type in walls or floors by cable tray, cable conduit, pipe and/or bus duct. The WSP system utilizes a galvanized metal frame that encompasses the entire tray or duct at...

For Additional Product Information Please call our sales hotline at 800-553-8779. Or, contact any one of the following: Mary Kate Perotti Customer Service Manager 27 Upham Street Melrose, MA 02176 Voice: (800) 553-8779 FAX: (781) 665-0180 Email: mkp@DornEquipment.com Gerry Brown Director of Sales an...