ShelterPro's Wall Support Kit is used when installing a chimney through the outside wall and up the side of the house on the outside. It includes a deluxe rain cap, adjustable wall support, wall bands, an insulated tee and plug, a wall thimble, a stove pipe adaptor and locking bands. The kit has all you need except the chimney. Availabe in 6" and 8" diameters.