The insulated "Retro-Curb," from this Illinois company, permits unrestricted positioning on standing seam roof systems and will accommodate rooftop equipment on any roof slope. It has an oversized, flat, pre-punched base flange that can be cut out to allow perfect alignment with the seams on the roof. made of 18-gauge AZ-55 Galvalume, it has mitered and fully welded corners and another features which provide for a watertight installation. Fourteen-Ga. construction is available. Standard features include 1.5-in., 3-lb. fiberglass installation, an 8-in. minimum height and T-bar reinforcement for sizes more than 36 inches.

Thybar Corp., 913 S. Kay Ave., Addison, IL 60101; 800/666CURB; www.thybar.com.

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