My builder uses Houzz Pro to plan the timeline and give detailed estimates and daily updates with photos of progress, and provide invoices at pre-agreed key points in the build. This made the whole experience much more efficient and stress-free.
No the venting can not go down it needs to have a bit of a rise to have the proper draft. Let me know which accessories you would like and I can put together a package for you. If you have any questions you can always give us a ring and I can help you also.
Embers Fireplaces and Grills