List of featured suppliers of FLUE Blocks Solid Fuel on Building Products Index
A flue is a channel or duct used to direct heat or smoke from fireplaces, ovens, or boilers out of a building. Blocks refer to individual cut pieces of material, usually made of concrete or masonry, that are typically rectangular or square in shape and used for construction. Solid fuel is a type of combustible material, such as wood or coal, that is burned to produce heat or energy.