Selkirk 4 in. Black Ceiling Support Box

The 4" Selkirk Black Flat Ceiling Support Box is installed between the ceiling joist for a flat ceiling and is used to support the vertical chimney pipe above the ceiling. The Ceiling Support is able to support up to 50' of vertical chimney pipe. The Flat Ceiling Support Box is a round design and comes with a trim collar for concealing the hole you cut in the ceiling for a finished look. The high temperature finish will match your 4" single wall black stove pipe. The Class A chimney pipe cannot pass through the support box. To install cut a 10" x 10" hole between two ceiling joists and mount the ceiling to support the ceiling joist. Once the support box is installed at the ceiling, you must use the Selkirk Chimney Pipe Adapter to transition to a single wall stove pipe for below the box.