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Insecure flue

Chimney or flue flashing has lifted

External chimney separating from building

Flat top flashing to framed chimney

  • Not correctly installed or not correctly detailed originally 

    How to repair

No vent openings to top of framed chimneys/flues

Leak around fixings of TV aerials and satellite dishes

  • Sealing washers to fixings were left out at installation 

    How to repair

Insecure chimney pot

  • Mortar deterioration between chimney and chimney pot

    How to repair

Corrosion of cowl and/or flue pipe

Gas supply – corroded flue

Solid fuel (wood) burner – build-up of smoke within fire box

Solid fuel (wood) burner (closed firebox) – corroded flue

  • Corrosive gases from the combustion process such as burning driftwood or treated timber

    How to repair