1, they prevent the overheating of combustibles adjacent into the chimney. Two, they make the chimney much more proof against the corrosion normally introduced about by byproducts of burning wood. The curved-prime chimneys are mainly made from stone with an arched cap to keep the rain out. But so that https://kameronstsqo.anchor-blog.com/8353914/getting-my-fire-brick-to-work