The Perfect Raceway is the best, most reliable way to drill fire listed doors and maintain the listing status.
Modification of Fire Listed Doors in the Field
Contact Details
Marray, Inc.
Attn: Perfect Raceway Program
52 Laxalt Drive, Carson City, NV 89706
http://www.marray.com
Phone: 800.500.1449
Fax: 775.246.8921