A side wall seal for piping comprising an annular ring adapted to be attached to a building sidewall, an annular wall extending outwardly from said annular ring and having a seam in said annular wall, a first ear extending outwardly from the annular wall adjacent a first side of the seam and a second ear extending outwardly from the annular wall adjacent a second side of the seam, and a closure mechanism for closing the seam around said piping. A wedge member may be used with the side wall seal to angle the piping downward.