What to look for:
6.1 Smoke blowing back into the room from the fireplace, poorly burning fire. Twigs and other vegetation dropping into the fireplace
When: Annually
Suggested action:
Check for blockages. Sweep chimneys in use annually as the build up of soot can reduce the size of the flue and create a fire hazard. Ensure that birds cannot gain access by installing a bird guard at the top of the flue.
Fires need draughts to help them to draw properly. Lack of ventilation, perhaps as a result of installing replacement windows and draught-proofing, can cause smoke to be blown back into the room. In such cases, an alternative air supply will need to be provided.
Smoking fires can also be caused by the proximity of trees and buildings, or the faulty design of the chimney. On chimneys without pots, the installation of a stone cap or angled slates above the flue can help to reduce down draughts, as well as helping to exclude rainwater.
If the flue is too large it may be reduced in size by installing a fire hood and flue liner. If the fireplace opening is too large it may be modified by raising the hearth or by installing a baffle. Care is, however, needed with the design of any of these modifications to ensure that the character of the building is not affected and the alteration is easily reversible. If your building is listed seek advice first from your local planning authority.
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