The Type HT Wall Support Kit has been tested for use fully enclosed and has been designed in 5, 6, 7 and 8 inch sizes to carry up to 60 feet of height. The capacity of the larger sizes, 10, 12 and 14 inches, is 40 feet of chimney. The Wall Support is intended for use with the Insulated Tee as an interior or exterior support where the chimney has a lateral connection. It is also useful where the pipe connection passes through a combustible interior or exterior wall. Braces may be fastened to the wall either above or below the plate for chimneys which penetrate through the wall.