Clearance - distance between a heat producing appliance and combustible material.
Prefab/Factory built fireplace - fire place manufactured
Flue - passage in a chimney to pass exhaust gases to outside atmosphere.
Damper - a plate for controlling the flow of air or gases.
Cap - protective cover intended to prevent entry of rain, snow, animals, and debris. Also aids in windy downdrafts.
Crown/Wash - tapered masonry top of chimney. Starting at flue tiles to exterior of chimney to shed water.
Corbel - offsetting of bricks or block to taper in a smoke chamber or change directions in a chimney. Stepping of brick work.
Liner - a continuous flue from a fireplace or appliance to vent exhaust gas. Can be tile, stainless, refractory, cement.
Hearth - floor area within fireplace.
Hearth Extension - noncombustible surface extending to front and sides of hearth or appliance.
Lintel - horizontal noncombustible member spanning the top opening of a fireplace.
Flashing - material used to make a water tight transition between chimney and roof.
Creosote - the mix of moisture and unburnt carbon due to poor combustion, low burning temp., or wet/ green wood.
Chase cover/Termination - the metal cover over a wood framed chase usually housing a prefab chimney pipe.
Class A Chimney - pipe used for woodstoves or to replace failing masonry flue.
Ash Dump - area built into a foundation to store ash from a fireplace to be cleaned out at a later date.
Draft - air or gases being drawn up a chimney or forced up a flue.
Down Draft - down drafts are normally created from a negative pressure problem in the home.
Combustible material - material made or covered in or with wood, paper, plastic, or any material that can ignite and burn.
Smoke Chamber - area above a firepalce damper or firebox that tapers to the flue/liner.
Thimble - tube that connects an appliance through a wall to a chimney flue.
Wythe Wall - a section of masonry between flues.
Cricket - material used to shed water from the backside of a chimney.
HIC PA049495
License required by the state of Pennsylvania.
Home Improvement Contractor.