As a leader in the roof curb industry and inventors of the Adjustable roof curb Uni Products Inc. is dedicated to providing the HVACR industry with the highest quality products possible. All roof curbs are manufactured with mil certified G90 galvanized steel, welded with silicon bronze wire, re-coated with cold galvanizing compound and include closed cell neoprene gasket. For more information visit us at www.adaptacurb.com