Bases for secure rooftop mounting of hvac equipment are made by this Illinois company. Custom manufactured to precise specifications of your rooftop units and roof configurations, the units usually ship within two weeks. Options include a built-in roof pitch, extra height, insulation of sound traps, and a pressure treated wood nailer. Bases that accommodate filters are also available. When possible, bases are shipped to work sites in one piece.
Thybar Corp., 913 S. Kay Ave., Addison, IL 60101; 800/666-CURB; fax 630/543-5309.