Open Fireplace Chimney Dimensions

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 chimney dimensions.

This article series provides information about masonry fireplaces. A fireplace will puff smoke into a room if its design is flawed. The most common case is 1 10 of the fireplace opening area but with a minimum size specified. Outside diameter inches inside area square inches 7 1 2 x 7 1 2.

The physics of smoke rising into a chimney is complex and several things must be done right so all the smoke from the fire exits your home. 100 mm unless no flue liner is used in which case a nominal 8 in. Fireplace flue size specifications relation of fireplace size to flue opening dimensions table of required chimney flue size and flue dimensions for masonry fireplaces. 150 mm of either floor components ceiling components or rafters.

The size of wood stove required to heat the room. 200 mm is required. Please note that the heatmaster firebox is manufactured with mild steel and if subjected to the weather surface rust will occur. It s important to realize there are three aspects of fireplace design you should be concerned about.

Neither chimney nor flue liner may change size or shape within 6 in. 8 1 2 x 8 1 2. The key fireplace dimensions that your builder should consider are the opening height and width and the depth of the firebox. There are a number of things we had to consider before installing wood burning stoves in our existing fireplaces which included.

For example a fireplace with an opening width of 28 inches should. The offset distance to the wood stove to the fireplace surround. Stoves fireplaces central heaters. The size of the open fireplace and whether it would fit the required size of stove.

Chimney wall thickness should be a nominal 4 in. However where a previous owner has already taken out a chimney breast and you want to open up a fireplace it should be possible to rebuild it without costs escalating assuming the stack is still in place. If the mantel typically the widest part of the fireplace overhangs the width of the chimney breast this will not only look strange but exposed edges may present a hazard for getting damaged. Ensure the width of the fireplace is not wider than the width of the chimney breast.

While the heatmaster open fire is designed for indoor use many people choose to install their fire in an outdoor or alfresco area. Building codes typically require a minimum flue size expressed in terms of cross sectional area in relation to the area of the fire place opening. 8 1 2 x 13. Fireplace opening and flue size in creasing the chimney height in creases the amount of draft.

Fireplace width for rooms with chimney breast.