Mantel height is not an arbitrary decision.
Standard fireplace height.
I suspect a hearth height is between 12 and 16.
First of all yes 63 tall for a fireplace mantel in a room with an eight foot ceiling is a little high.
The average height for a fireplace mantle varies by personal preference as well as locality.
Here is a photo of a new masonry firebox in my own home.
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.
But i am sure there is a standard.
I was wondering if the older bricklayers on the site could tell me what the traditional height of a raised hearth is on a traditional masonry fireplace.
Standard hearth pad dimensions vary based on the width of the fireplace.
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.
For a better understanding of your heating needs contact your local regency fireplace dealer.
Also ensure the hearth pad stretches at least 8 inches past the right and left edges of the fireplace.
The national fire protection association the nfpa sets standards regarding placement of a mantel in relation to the fire box local building codes.
If the mantel is less than four feet from the floor or your fireplace does not have a mantel mount the screen around 12 inches above the mantel or fireplace itself.
The firebox design is critical.
Some variables include the size of the area including the height of ceilings the size of the fireplace insert the model and the fuel type wood typically produces more heat than gas inserts.
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.
On my zero clearance i am going to have a masonry.
The firebox depth does not include the thickness of the facing material you see when looking at the fireplace.
When building standard models make sure hearth pads extend at least 16 inches beyond the fireplace s front edge.
The highest i have ever seen is 59 but most fireplace mantels range between 52 57 for an eight foot ceiling.
The height will depend on the height of your fireplace mantel.