Gas Fireplace Mantel Height Code

Parts of the mantel assembly located along the sides of the fireplace opening which project more than 1 1 2 inches 38mm from the face of the fireplace shall have additional clearance equal to the.

Gas fireplace mantel height code.

The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. If the mantel will stick out from the wall more than 1 1 2 inches the height between the top of the fireplace and the shelf must be 12 inches or more. The inside surface of the smoke chamber shall not be inclined more than 45 degrees 0 79 rad from vertical where prefabricated smoke chamber linings are used or where the smoke chamber walls are rolled or sloped rather than corbeled. Always check with your local planning and building office for code requirements.

The inside height of the smoke chamber from the fireplace throat to the beginning of the flue shall not be greater than the inside width of the fireplace opening. 2114 3 masonry built fireplaces 4114 3 10 all combustible mantels and similar trim shall be kept at least 6 inches from the fireplace opening. Again proper height is relatively subjective to your fireplace but average or standard fireplace mantel height construction is around 54 above the hearth s floor. The international code council sets standards that can offer a good blueprint but local government codes take precedence.

Mantel height is not an arbitrary decision. The standards should ensure that the fireplace will be safe to use for many years to come. The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures. If you install the mantel before the brick or stone face is put on the fireplace the mantel can often be mounted to the stud wall first and the brick or stone can then be put on around the mantel.

The easiest way to do this is to first lag a piece of plywood measuring about 12 high and the length of the mantel to the backside of. Your fireplace may fit this dimension or it might be on the shorter or taller end of the spectrum when it comes to mantel height above fireplace.