A ThyCurb Vibro-Curb combines adjustable spring isolators and a roof curb into a single unit. Rooftop units can be set immediately after curb installation with roofing completed later without disturbing the unit. Flexible 8-in. flashing permits easy access to adjust isolators. Can be fabricated to match roof pitch. Airtight plenum available. Vibro-Curb® can ship in one piece or knocked down. Member of VISCMA. For more information, contact Thybar Corp., 913 S. Kay St., Addison, IL 60101. Phone: 800/666-CURB. Fax: 530/543-5309. Email: [email protected]. Website: www.thybar.com.—Thybar Corp.