Does chimney pipe NEED to be double walled?

[Buzzlight]

I can't seem to find a conclusion or reason on this. If I use a 6" black chimney pipe, the ones Home Depot and regular hardware stores, is this good enough? I won't be surrounding it with brick, the steel pipe is the finished look, so does it need to be the double layer expensive stainless steel things?
thanks all.
Buzz

[Grahamstein]

Maybe some one more experienced will come along and correct me but there's no reason it has to be insulated pipe that I can see. How do you plan on waterproofing the chimney?

[Gulf]

.....does it need to be the double layer expensive stainless steel things?....

No, as long as it is not near a flammable material.

.......If I use a 6" black chimney pipe, the ones Home Depot and regular hardware stores, is this good enough? .....

Single walled black pipe will need to be attached in a way that you can replace it very, VERY VERY often! A single wall stainess steel pipe will be more affordable and may be what you need in this case.

[Buzzlight]

It's not touching anything and no trees near by. I was going to put a raincap on top to keep water out. Hadn't considered other weather issues. I guess that pipe is just painted tin and meant for inside fireplaces? Hadn't thought of that. See, this is why this forum is so important!
I guess ya'll are meaning it will rust apart in a year?
It is only 20 bucks, but I guess...do it right, not cheap.