System and method for mounting commercial vent covers

Abstract

Embodiments relate to guided installation of ventilation registers on HVAC ductwork, particularly spiral ducts. A guiding apparatus temporarily adheres to an exterior surface of a duct and defines a template boundary corresponding to a register aperture. The apparatus can carry an integrated or removable level and angle indicator to establish a selected installation angle while maintaining a horizontal orientation. In some embodiments, spaced marking apertures adjacent the template boundary facilitate scribing before cutting. After the boundary is defined, the duct wall is cut or perforated to form the register aperture. A register having fastener apertures and an engaging portion is positioned at the aperture to at least partially extend into the duct interior and is secured, for example with self-drilling sheet-metal screws, optionally compressing a gasket to form a seal. The apparatus may conform to duct curvature and may attach via magnetic, adhesive, suction, or mechanical means.

Dependencies are inferred from the claim text.