System-first education

A Chimney Is a System, Not a Stack of Bricks

Follow the route from termination to appliance. Each part has a job, a set of observable warning signs and a service scope that should be named in a contractor proposal.

CapCrownFlue + linerFlashingSmoke chamberFirebox

Cap and termination

Signal: Rain, animals, debris, rust or a loose termination

Understand the part Open service scope

Crown

Signal: Top-surface cracks, staining or masonry saturation

Understand the part Open service scope

Flashing

Signal: Water appearing near the roof-to-chimney intersection

Understand the part Open service scope

Flue and liner

Signal: Documented cracks, corrosion, gaps or appliance mismatch

Understand the part Open service scope

Masonry shell

Signal: Flaking brick, missing mortar, white deposits or loose pieces

Understand the part Open service scope

Smoke chamber

Signal: Deposits or conditions in the transition above the firebox

Understand the part Open service scope

Firebox and connection

Signal: Smoke rollout, changed draft or connection concerns

Understand the part Open service scope