Every FB Chimney has an Installation Guide
You have to follow all the instructions and requirements detailed in the manufactures installation instructions. Every manufacture is different, so even if you have installed a Factor Built chimney previously, this one maybe completely different.
We have listed some of the more common chimney Installation Instructions to make your job a little easier. Just remember just because you have a part and you want your chimney to go around a soffit for instance, some manufactures will not permit this.