Tested for use fully enclosed and has been designed in 5, 6, 7 and 8 inch sizes to carry up to 60 of height. Intended for use with the Insulated Tee as an interior or exterior support where the chimney has a lateral connection. Also useful where the pipe connection passes through a combustible interior or exterior wall. Braces may only be fastened to the wall above or below the plate for chimneys which penetrate through the wall.Highlights:Size: 8"No. 8T-SBType A chimneyType HTTested for use fully enclosed supports up to 50Used with insulated tee as an interior or exterior support where the chimney has a lateral connectionAlso where the pipe connection passes through a combustible interior or exterior wallConsists of base plate, 2 angle iron braces, 2 pads and hardwareBoxed