Chimney diameter ... is 7" enough?

[brickie in oz]

Re: Chimney diameter ... is 7" enough?

The rule of thumb for building a fireplace in a house is that the flue shouldnt be less than 10% of the fire opening, more is better.

Not sure if that applies to ovens, but having said that an oven is just a fireplace laying down so maybe its the same?

[mpjfitz]

Hello

I am building a 42". I've been looking around for a steel chimney pipe. I have found one that is 7" internal diameter.

I was wondering if that will be big enough for the 42" oven?

Any advise will be appreciated

Mick