A fireplace hearth should extend at least 16 past the front edge of the fireplace and at least 8 beyond each side of the fireplace opening.
Fireplace hearth height from floor.
With a modern linear fireplace the trick is to keep it up far enough to keep it from looking like a fishtank on the floor but not so high to make make it hard to see.
Fireplace hearth size requirements.
Raised hearths or sitting height hearths are built off the floor usually no more than 17 inches up.
A raised hearth however is usually 1 to 2 feet between 30 and 60 centimeters above the floor.
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.
Extending at least 16 inches from the fireplace opening and at least 8 inches beyond each end of the fireplace the floor height hearth provides an unobtrusive sleek space for cleaning spilt ashes.
There are a couple of rules of thumb here.
Elevated fireplaces are able to release ashes and soot further than floor.
The first thing is to decide is.
Some elevated fireplaces have hearth pads at floor level.
A raised fireplace hearth is a hearth that is built up from the floor.
Our photo left shows a burned wooden floor in front of a fireplace hearth.
A raised fireplace hearth and therefore a raised firebox provides a few benefits over one that is located on the floor.
The fire can be viewed at sitting down height.
A sitting height hearth is simply a hearth that extends out into your room and is built up or raised off the floor to a height that is comfortable for people to sit on.
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.
If this is the case install a hearth pad that extends 20 inches beyond the fireplace s face wall.
Side by side images of a floor hearth and a raised hearth.
For elevated fireplaces make sure the hearth pad is tall enough to match the level of the fireplace s hearth.
Those that are lower in height often resemble a step whereas those that are taller are usually the height of a low bench and may even be used as such.
Most fireplaces have hearths that are flush with the floor even built into the floor.
They do take up floor space but they allow for friends and family to sit more comfortably near the fire.