Rectangular liners are used mainly for masonry chimneys where installing a typical round or oval liner excessively narrows the flue of the chimney, degrading the chimney’s performance.
MK Systemy Kominowe has rectangular flue liners in its offer – they are made on request.
In order to assist in obtaining a quote for oval chimney components, we have prepared a conversion table that indicates which rectangular component corresponds to what round component diameter.
Chimney conversion table for rectangular components