Chimneys and Fireplaces

Chimney Caps and Spark Arrestors Must Fit the Chimney and Fuel Risk

Does the IRC require a chimney cap or spark arrestor?

R1003.9

Chimneys Must Terminate High Enough Above the Roof

What is the 3-2-10 chimney height rule?

R1003.9

Combustible Trim Must Stay Clear of Fireplace Openings

How close can wood trim be to a masonry fireplace opening?

R1001.11

Factory-Built Chimneys Must Match Their Listing and Appliance

Can I mix factory-built chimney parts from different brands?

R1005.1

Factory-Built Fireplaces Must Be Listed and Installed by Instructions

What code applies to a factory-built fireplace?

R1004.1

Hearth Extensions Must Project Beyond the Fireplace Opening

How far does a fireplace hearth have to extend?

R1001.10

Masonry Chimneys Need Clearance From Combustible Framing

How much clearance is required around a masonry chimney?

R1003.18

Masonry Chimneys Need Proper Flue Liners

Does a masonry chimney need a flue liner under IRC 2021?

R1003.11

Masonry Firebox Dimensions Are Regulated by Opening Size

What are the code dimensions for a masonry fireplace firebox?

R1001.7

Masonry Fireplaces Need Proper Footings and Support

What foundation is required for a masonry fireplace?

R1001.2