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Chimney Information

Fuel Type Sweep Frequency
Smokeless Coals At least once a year (Often believed to not need cleaning)
Wood Quarterly when in use
Bitumous coal Quarterly when in use
Oil Once a year
Gas Once a year

It is very important to burn the correct fuels on your solid fuel appliance to both keep it and the flue in good condition and to get the most efficient use from it.

Burning coal or smokeless fuel in a wood burner will produce very little heat but lots of soot due to the appliance not being designed for that fuel. Wood burning on an open fire will give very little heat for a lot of fuel consumed and high fuel consumption leads to more build up of soot or tar.

Suitable seasoned timber must be used in all solid fuel stoves. No man made wood such as MDF, ply board and chip board should be burnt.

Beware of the word seasoning. Many retailers sell seasoned wood, the only thing that matters is the moisture content and this should be less than 20%

Wood storage is very important; it needs to be kept in a dry store that lets the air get round it - stack it neatly don't pile it up. Good ventilation is more important than keeping the rain off. Correctly stacked logs will continue to lose internal moisture even if they are rained on from time to time. That said the best store will have a roof to keep rain off.

If the wood is not kept aired then it will start to rot meaning it will not burn fully and have a reduced calorific value.

It is also very important to let your solid fuel appliance breath properly or the flue will be unable to take away the fumes effectively which will lead to smoking back or slow gas speed meaning that the flue will soot up quicker. Insufficient air flow will also lead to incomplete combustion, low levels of heat output and increased pollution.

Hints and Tips 

  • Use seasoned woods only (dryness is more important than hard wood versus soft wood) many suppliers also sell sawdust logs and other log substitutes that will help keep your chimney cleaner.
  • We advise using logs with a water content of less than 20%.
  • Build smaller, hotter fires that burn more completely .
  • Never burn cardboard boxes, waste paper or Christmas trees; these can start a chimney fire as bits from them can get sucked up the flue and set fire to soot in the chimney
  • Burn Recommended fuels ONLY based on your appliances manufacturers recommendation.

 

BAD FUEL, BAD STORAGE AND BAD VENTILATION COSTS YOU MONEY IN THE LONG RUN.





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