Masonry Fireplace Dimensions Standard

However if the fireplace s floor is at least 8 inches taller than the hearth extension the hearth extension s thickness must only be at least 3 8 inch.

Masonry fireplace dimensions standard. Foundation walls raise the fireplace to the desired level and should be constructed of masonry or concrete with a minimum thickness of 8 in. A 48 wide fireplace would be squat looking at a height of 32 and using the same proportion as the smaller fireplace would make the opening 42 tall which is a 70 increase in the opening area so the chimney would be more expensive. Be sure your mason builds your fireplace according to the values in the following table. Single face fireplace dimensions including the firebox depth width and height along with the proportionate flue size are given in technical notes 19.

There should be no voids except for the ash pit and external combustion air ducts formed in the base assembly as shown in figs. All the data is courtesy of the brick industry. The key fireplace dimensions that your builder should consider are the opening height and width and the depth of the firebox. Good draft is normally achieved if the chimney height is such that the vertical distance from the top of the fireplace opening to the top of the chimney is at least 15 feet.

If the chimney is less than 15 feet a larger clay flue size should be considered than what is required for a chimney of 15 feet or more. The best fireplace design dimensions are the ones that ensure your fireplace will not smoke. For example a fireplace with an opening width of 28 inches should have. The technical notes address all the necessary features in a brick fireplace and their relationship to one another.

Rumford fireplaces are for most homes an improvement over the standard masonry fireplace their tall dimensions are elegant and dramatic and they radiate more heat into the room. The minimum thickness of a standard hearth s flooring within the fireplace is 4 inches. This will tell you which of the most common sizes you are looking at buying. The hearth pad requires a thickness of at least 2 inches.

A 36 wide x 32 tall fireplace is very elegant and affordable in terms of firebox and chimney size. See above for the most common fireplace insert sizes.