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The cap on top of a chimney flue is easy to repair

2017-07-31 09:54:56 | cnsuperpower
A chimney is generally constructed to rise almost vertically to encourage unobstructed airflow to the exterior.Generally, the chimney should extend at least two to feet above any part of the building to which it is attached. While this is a minimum in many situations the chimney must be taller than minimum to allow enough draught to produce a proper fire. In higher altitudes, more air is required to fuel the fire and hence the chimney must be taller.

Most metal chimneys are factory fabricated which explains some of their appeal, but the height can be adjusted by adding sections or choosing a taller chimney when necessary.A chimney cap should protect even metal chimneys. This will direct the rain or snow to the sides rather than trickling down the chimney. Chimney caps and cowls can be used to extend the height of the chimney as well as protect the flue from the elements.

The cap on top of a chimney flue is easy to repair and is usually easy to locate. The problems I have seem recently is that many fireplace companies do not make flue pipe or chimney termination caps any longer. A homeowner loses a termination cap off the roof in a storm and has to find something else to repair the chimney flue.

There are usually enough single, double and triple walled caps to locate something close enough to use. Remember wood burning fireplaces and gas log fireplaces always must have adequate ventilation. There are ventless gas fireplaces that can be used indoors with little or no ventilation but standard gas logs have to have all the same ventilation and insulation as a wood burning fireplace.
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