01.160.0101: Fireplace Detail This fireplace cutaway shows the relationships between the firebox (which is constructed of fire brick laid in fireclay mortar), smoke shelf, smoke chamber with parging, and flue, with required separation from combustible materials. The fireplace face is defined by the vertical distance between the damper and the lintel supporting the face brick [...] Small text files that are placed on your machine to help the site provide a better user experience. In general, cookies are used to retain user preferences, store information for things like shopping carts, and provide anonymised tracking data to third party applications like Google Analytics. As a rule, cookies will make your browsing experience better. However, you may prefer to disable cookies on this site and on others. The most effective way to do this is to disable cookies in your browser. We suggest consulting the Help section of your browser or if you decline you will be redirected to the About Cookies website which offers guidance for all modern browsers.