Fireplace Chimney Flue Design

Chimney flue repair is required when sections of your flue become damaged or cracked.

Fireplace chimney flue design.

A handy breakdown of the components of a chimney a flue lining usually made of refractory concrete or impervious clay. Typical standards require a cross section area of the fireplace flue or chimney vent to be equal to 1 10 of the area of the fireplace opening itself for a conventional wood burning installation and without considering the effects of a glass fire door. A properly built chimney will naturally draw the rising hot air roaring up the chimney which stops smoke coming into the room and makes the fire burn better by sucking air and oxygen through the fire. To make the chimney draw it has to be designed properly with a constriction a narrowing of the flue.

1 the area of the fireplace opening 2 the area of the flue liner and 3 the height of the chimney. Sometimes metal b flue must be high enough for sufficient draught around 4 5m in most cases c flue connector connects the fireplace to the flue. Finally they help block downdrafts. Which type is right for me.

See more ideas about brick brickwork chimney design. Chimney covers protect your fireplace flue from rain animals and debris. R1003 18 chimney clearances any portion of a masonry chimney located in the interior of the building or within the exterior wall of the building shall have a minimum airspace clearance to combustibles of 2 inches 51 mm. We d like to remove the stone facade at some point but the more pressing safety concern that we d like addressed is fixing issues pointed out by our home inspector.

Fireplace chimneys the design of residential fireplace chimneys is directly related to. Steel at the chimney corners. Dec 3 2019 explore brian trimble s board fireplaces chimneys followed by 201 people on pinterest. Round or oval flues also may require less maintenance be sizing fireplace openings and flues size the fireplace to fit the room then size the flue to assure enough draft by kenneth a.

Chimney flues serving masonry fireplaces where cleaning is possible through the fireplace opening. The flue is the section inside your chimney that carries the gasses up the chimney where they are expelled outside. They can also protect your roof and reduce fire risk by trapping sparks and embers. This prevents smoke and fumes from blowing into your house on windy days.

Mortar was missing between the joints of the chimney flue. Click to enlarge any image. Draft is more efficient in a round or oval flue than in other shapes of equal cross sectional area be cause exhaust gases tend to spiral upward. Fireplace caps come in many shapes and materials.