It is however a standard part of most masonry fireplaces.
Outdoor fireplace smoke shelf.
Purty much by the seat of my pants using all reclaimed material i have constructed an outdoor fireplace.
The first is the inner shape and design of the firebox where the fire burns firebox the hidden smoke shelf area above the firebox and the flue that rises up and through the roof.
A smoke shelf is a design feature not necessarily needed but when incorporated into the firebox design it is certainly a plus.
Here s the fireplace once finished.
In my opinion the smoke shelf doesn t do d k.
Ive built a couple 36 opening outdoor fireplaces and i build them just like i build an indoor one.
Nice tall throat smoke shelf 12x12 flue.
The opening is about 24 tall and the firebox is about 20 inches deep.
Advice is free lessons begin at 75 bucks an hour.
The walls of the smoke chamber may have a minimum required thickness of 51 2 or 6 inches.
I put a lemance damper on the top would make sense to put a slab of bluestone and maybe no damper at all really.
Made of manufactured stone and rust resistant powder coated steel this classic design is.
Its depth ranges from 6 to 12 according to the depth of the fireplace.
A special mixture of firebrick mortar is used throughout the fireplace and chimney construction.
Other factors include smoke shelf construction size and shape of the damper chimney height in relation to peak of roof height and so on.
In masonry fireplaces the smoke shelf is built out of brick stone or other material and made concave with mortar.
Since most of these fireplaces draw quite nicely the need for a smoke shelf is questionable.
Rebuilding or modifying an existing fireplace is simply not a realistic option for most homeowners.
The smoke shelf runs the full length of the throat.
The main problem with outdoor fireplaces is that they are not tall enough and they are exposed to the wind.
As part of the reclaimed materials were 8x12 flue liners.
So i built my firebrick arch and laid over the cream city brick note i have.
Reconstructing the smoke shelf firebox or adding height to the chimney can cost 10 000 or more.
Outdoors the slightest wind can downdraft your fireplace and force smoke forward of the hearth.
Maryland bel aire 48 03 in.
We traced the end of a 275 gallon oil barrel for the opening.
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Both of these were 30ish feet tall though.