The present application is directed to an architectural cover for securing to a support surface comprising: a frame defining a perimeter; a panel overlying a portion of the frame to form an exterior side of the cover and an interior side of the cover; the frame further comprising (a) a main body configured to attach to the panel via a fastening means, and (b) a lip defined by a first surface configured to receive a securing means, and a second surface configured to abut the support surface; the lip further comprising an outer edge defining a perimeter of the cover and an inner edge defining an inner perimeter of the frame, the perimeter of the inner edge configured to abut the support surface when the architectural cover is secured to the support surface.