Floor Plan Standard Size Fireplace Dimensions

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Floor plan standard size fireplace dimensions. For a quick calculation on size make sure that the mantel shelf width divided by 2 is less than the width from the fireplace center to any wall window door or shelf. Letter or number doors and windows on your plan then note the various dimensions and notes on your schedule. 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. The firebox design is critical.

For larger sized openings these dimensions increase to 20 inches in front and 12 inches on the sides. If your plan includes multiple rooms make sure to account for the interior and exterior walls. The mantel should not be so wide that it reaches anything else like a wall window or door. For fireplaces up to 6 sq.

For example this part of the plan is referenced as area 6 and enlarged on sheet a4. Here is a photo of a new masonry firebox in my own home. The opening width of this firebox is 42 3 4 at the face of the unit and the height is 35 1 4. Foundation walls raise the fireplace to the desired level and should be constructed of masonry or concrete with a minimum thickness of 8 in.

There should be no voids except for the ash pit and external combustion air ducts formed in the base assembly as shown in figs. A 42 inch fireplace will probably have a mantel width of 54 inches. Fireplaces cabinets built in bookshelves and any other features should be measured and added to the plan next. Figure 6 32 dimensions on a floor plan generally locate the framework of the building such as the face of these 2x4 studs.

In order to pull the correct dimensions you need to measure your fireplace cavity at different points to ensure that there aren t any areas that are smaller than others.