Insight

Uninsulated solid fuel flue pipes to combustible material

OFTEC’s technical department is seeing an increase of solid fuel stoves being installed in fireplace recesses, where there are wooden lintels spanning the entire opening, or providing the structural support for the above chimney breast.

Solid fuel

With this type of installation, consideration needs to be given to the minimum separation distances a connecting flue pipe can be installed to combustible material. This can be achieved in one of the following ways:

  • by ensuring the separation distance between the flue pipe and the combustible material is a minimum of 3 times the diameter of the flue pipe; or
  • by ensuring the flue pipe is a minimum separation distance of 1.5 times its diameter to combustible material and that a non-combustible heat shield (metallic construction) is installed which extends a minimum 1.5 times the diameter of the flue pipe (1 times diameter in . . .

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