Flues Calculator

Scenario: Straight up, gentle-slope roof

Scenario: Straight up, steep roof

Scenario: Open truss, gentle-slope roof

Scenario: Open truss, steep roof

Scenario: External flue, no eve

Scenario: External flue, around eve

Scenario: External flue, through eve

Scenario: Double story, single-wall flue, ceiling, gentle

Scenario: Double story, single-wall flue, ceiling, steep

Scenario: Double story, single-wall flue, open roof, gentle

Scenario: Double story, single-wall flue, open roof, steep

Scenario: Double story, insulated flue, ceiling, gentle

Scenario: Double story, insulated flue, ceiling, steep

Scenario: Double story, insulated flue, open roof, gentle

Scenario: Double story, insulated flue, open roof, steep

Scenario: Double story, external flue, no eve

Scenario: Double story, external flue, around eve

Scenario: Double story, external flue, through eve

Scenario

{{ measurement.label }} cm

Note: Please enter values in cm. 1m = 100cm.

When measuring, things to keep in mind

The measurement point from the floor should be at least 30cm from the wall.
"C" dimension always Apex to Centre line of flue HORIZONTAL
"D" dimension always in roof cavity to apex VERTICAL
"B" dimension always in roof cavity to flue exit point VERTICAL

Fireplace

Height cm

Diameter mm

Need an offset?

uses 45° elbows
Click to enlarge

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