The Self Build Self Help Site Building a chimney

Chimney flue liners come mainly in 3 materials - clay, concrete and stainless steel. Stainless steel flues are often used to line an existing flue which may be found to leak gases or are required when installing a new fire. The stainless steel liner can be inserted into the existing chimney.

Clay and concrete liners are usually used when building a chimney from scratch.

There is no hard and fast way of building a chimney - the following series of photographs illustrate some key steps during one construction.

Click on the photos for a larger view

Also check out the British Flue & Chimney Manufacturers Association guidance document.

You may also be interested in building the chimney stack

photo of chimney flue in preparation

Looking down into the blockwork forming the chimney breast. The bottom liner is set into reinforced concrete. The liners are set with the socket uppermost so that any condensate is retained within the flue pipe.

photo of chimney flue in preparation

The chimney has been narrowed from the chimney breast to a modest dimension - the easier and cheaper to fill with Vermiculite cement. .

photo of chimney flue in preparation

Ready for the next fill with Vermiculite cement (see next page).

photo of chimney flue in preparation

The liners are jointed together with fire cement. This prevents the leakage of gases and the ingress of water.