This list covers some of the most common terms, but there are many more specialized terms used in the masonry and chimney industry, particularly when dealing with different types of chimneys, materials, and repair techniques.
The masonry industry, especially when it comes to chimney work, has a variety of specialized terms. Here’s a list of some common terms used in this field:
Structural Components:
Flue: The passage through which smoke and gases exit the chimney.
Chimney Cover: A stainless steel cover placed on top of the chimney with a roof-type cover and wire mesh on the sides to prevent water, debris, and animals from entering.
Crown or Cap: The top surface of the chimney which is designed to protect the masonry.
*Sometimes people will interchange the terms Crown & Cover. Whatever the term used it is important to have clear communication between the contractor and the homeowner to avoid this confusion.
Crown: The top surface of the chimney is designed to protect the masonry.
Materials:
Firebrick: A special type of brick designed to withstand high temperatures.
Refractory Mortar: A type of heat-resistant mortar that is used for laying firebrick.
Flashing: Metal sheets used to prevent water from entering where the chimney meets the roof.
Stucco: A material used to cover and protect the exterior of a chimney.
Maintenance and Repairs:
Tuckpointing: The process of removing and replacing old deteriorating mortar with new mortar.
Crown Repair: Fixing or replacing the chimney crown to prevent water damage.
Relining: Installing a new flue liner inside an existing chimney.
Creosote: A tar-like substance that builds up inside the flue and can become a fire hazard if not cleaned.
Draft and Airflow:
Draft: The flow of air through the chimney, which is crucial for proper combustion.
Downdraft: A condition where air flows down the chimney instead of up, potentially causing smoke to enter the home.
Ventilation: The process of ensuring proper air movement through the chimney and fireplace.