Abstract: The present invention is an assembly of parts and a new utility to repair the detached or damaged screen or mesh of a foundation ventilator. The repair kit consists of a novel repair frame, a mesh or barrier, and an attachment means to attach the mesh or barrier to the frame after the frame has been installed into a ventilator. The open repair frame is made of corrosion resistant malleable material, and has a plurality of bendable tabs cut into the perimeter of the frame that can be crimped against the edges of a foundation ventilator in need of repair thereby holding the repair frame in place effecting a permanent repair once secured and a new barrier such as a mesh attached with any suitable attachment means.