Standard for Chimneys, Fireplaces, Vents and Solid Fuel Burning Appliances (NFPA 211) by National Fire Protection Association

NFPA 211 reduces fire hazards by ensuring the safe removal of flue gases, the proper installation of solid fuel-burning appliances, and the correct construction and installation of chimneys, fireplaces, and venting systems.

https://www.nfpa.org/codes-and-standards/nfpa-211-standard-development/211

https://www.nfpa.org/product/nfpa-211-standard/p0211code

https://www.forwardmutual.com/images/solidFuel_guidelines.pdf

https://www.amazon.com/Standard-Chimneys-Fireplaces-Fuel-Burning-Appliances/dp/1455930571