Better flexibility: since most chimneys must be designed straight up to be able to prevent the buildup of creosote, some need to be off-established inside of a straight line. Nevertheless, due to the flexibility of metal chimneys, they may be put in in any way, shape or form. The resources https://spencerhfcxt.bloggactivo.com/27754832/not-known-facts-about-propane-fireplace