Fireplace Chimney Design Dimensions

This article series provides information about masonry fireplaces.

Fireplace chimney design dimensions.

The most common case is 1 10 of the fireplace opening area but with a minimum size specified. 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 8 1 2. 350 mm consisting of the same elements.

Common repair issues chimney design. Unfortunately even the best chimney designs can require occasional repair. The right tools right at your fingertips specifying the right hearth product for your built environment has never been easier. Fireplace design details checklist sides of firebox must pinch in towards back back wall of fireplace must be straight up for first 12 inches back wall must slope towards front for remainder of height width and height of opening must come from table below smoke shelf up above fireplace must be sized.

Figure 1 shows details and table 1 provides the widths and heights of fireplace. 50 mm of noncombustible material brick and 3 4 in. Explore our product line and download fireplace cad drawings revit bim families csi specifications and. An unlined chimney s minimum wall thickness is 14 in.

200 mm see fig. Outside diameter inches inside area square inches 7 1 2 x 7 1 2. Heat glo provides industry leading fireplace design and specification tools to support you from schematic planning to construction administration and beyond. For example you could vent a 6 inch stove into an insulated chimney that is 8 inches in diameter.

Fireplaces can range from a small two feet by two feet and smaller up to massive creations that take up an entire room s walls with chimneys spanning two stories. Stoves fireplaces central heaters. In most cases a step up is also fine. Fireplace opening and flue size in creasing the chimney height in creases the amount of draft.

8 1 2 x 13. A damper is a small door inside your chimney that is usually opened and closed by pulling a lever or chain. A 6 inch stove requires a 6 inch flue. The configuration and dimensions of most other components of the fireplace and chimney are based primarily on the dimensions of the fireplace opening selected.

As the lined chimney except that the chimney wall must be 8 in. Chimney damper repair is pretty common. Flue size common venting uses. Fireplace flue size specifications relation of fireplace size to flue opening dimensions table of required chimney flue size and flue dimensions for masonry fireplaces.

Dampers are used to prevent energy loss when you re not using your fireplace. 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. Mm chimney wall brick 2 2 in. The shape and size of your fireplace depends on three main factors.