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MarcusLndscp
04-03-2005, 10:07 PM
Does anyone have any details on building an outdoor BBQ. Would like one with a chimney and to appear to be built out of natural stone, but I know that heat will crack some stones. Ventilation in the bottom is needed correct? Do I need to use a fire brick for the interior? All the way up the chimney? Any info would be appreciated.
Thank you
Mark

Residential Recreation
04-03-2005, 10:27 PM
i would reccomend using firebrick all the way up the chimney but remember to leave weep holes and enough space between the brick and stone

Seabass2500
03-25-2006, 10:57 PM
I have searched and read the few outdoor fireplace posts but there are never much to them. Can anyone elaborate on any basic building suggestions or issues to be cautious of.

Thanks.

cedarcroft
03-26-2006, 06:00 AM
I have never built an outdoor fireplace/BBQ but I had one at my old house. It was made of natural, native stones and it seemed to be fairly well built. It was one of the main reasons I bought the house. Un fortunatly there was no heat protection in the chimney. One night (after a few cocktails) in the winter we cranked up a big fire and it heated the chimney up so much that the whole thing collapsed. It was only about 6' high so no one got hurt but the moral of the story is to use ceramic sleeves or fire brick to insure long life. also don't stuff the BBQ area with logs and busted up pallets and use gas as an accelerant.
just some tips.

treedoc1
03-26-2006, 07:02 AM
This client wanted a massive column and integrated into their existing wall. The interior of the fireplace is covered with firebrick at the end. A special additive is added to the mortar mix for heat tolerance. The red clay is a chimney insert and is heat tolerant. The cinder block is all veneered normally.

PM me if you need more info.

MarcusLndscp
03-26-2006, 07:15 AM
Wow, pretty extreme Treedoc. Just like a regular chimney/fireplace is built basically. Knowing your stonework I bet that looked awesome when it was completed. I was just wondering because you sometimes see old school outdoor fieplaces that have no firebrick and appear to have been around for many many years. You just add fire clay to your mortar right?

dcondon
03-26-2006, 08:58 PM
Looks great Treedoc!!!!!!! Lets see some pic's when you get it all done:waving:

treedoc1
03-26-2006, 09:55 PM
Yes to the additive.
I also have seen some outdoor fireplaces without firebrick, but they always seem to have an extra large firebox, that might diffuse the heat.

Seabass2500
03-27-2006, 11:05 PM
Hey Treedoc,

How do you cover up your lintel (besides the veneer on the front)? Do you just leave it exposed in the firebox? And how do you finish off the ceiling of the firebox, where the block is, and the lintel.

Another question... I was planning on an arched opening built over a wooden temporary structure. The chimney would be about 1/2 the size of your picture, with a smaller insert stack. I was thinking it would be plenty strong to hold the weight of the chimney... do you think i'm ok there?

Thanks!

treedoc1
03-28-2006, 09:02 PM
Cover all exposed interior with firebrick mortared in place, lintel also.

Here is some spare time work we did on our tool shed. Frame out the arch and hold it up with 6x6. Shape and place the stones with out mortar first to get the tightest fit. I like to let it cure for a week prior to removing the wooden form.