Open Fireplace Flue Design

Fireplace flue size specifications relation of fireplace size to flue opening dimensions table of required chimney flue size and flue dimensions for masonry fireplaces.

Open fireplace flue design.

Here is a photo of a new masonry firebox in my own home. The firebox depth does not include the thickness of the facing material you see when looking at the fireplace. If the existing damper doesn t fully open or if the design originally was too small the damper opening must be increased to solve the smoking problem. This article series provides information about masonry fireplaces.

To provide adequate draft and safe venting of combustion products the chimney flue for a fireplace has to be adequate in size or cross sectional area. Open fireplace design and construction. Stainless steel and cast iron flue dampers commonly are opened with a touch button control system. The rear wall of the firebox rises vertically from the floor of the fireplace and then begins to slant towards the fireplace opening just at the top of the gas logs.

Lead approximately 1 8 mm thick. 1 the area of the fireplace opening 2 the area of the flue liner and 3 the height of the chimney. A fireplace flue damper enables you to control how much air flows up your home s chimney when the fireplace is in use. Generally the damper opening must be 90 of the flue size.

Properly a fireplace needs pleasing proportions and an appropriate relation of fireplace area flue size and chimney height. The design of residential fireplace chimneys is directly related to. It is also important to have an adequate damper opening size to allow smoke to easily pass from the fireplace area into the flue area. The firebox design is critical.

If it not symmetrical the fire will burn unevenly due to an all round the clear cross sectional area will. This is a diy outdoor fireplace built using our plans without a chimney flue. Though designs vary many common patterns have emerged through experience with successful fireplaces. Design of clay masonry for sound insulation design of clay masonry for sound insulation.

Straying too far from accepted practices may result in a fireplace that burns poorly or fails to conform to building. The use of a chimney flue is not wrong at all but we know they aren t necessary if the structure is built the way we build. Standard built in fireplaces sometimes require use of a long metal pole with a hooked end that you use to reach into the chimney and manually pull down the lever of the damper doors to open the flue. The other components of the.

Adjusting the damper allows you to burn a fire efficiently and safely. Smoke and gases.