Some could be caused by rainfall soaking into the brick.
Efflorescence chimney attic.
A chimney sweep has chemical mixes designed specially for taking care of this problem.
The efflorescence is evidence that your chimney is regularly wet.
In summary efflorescence is a harmless yet unsightly accumulation of salts on masonry surfaces.
Most of the time the rain will wash it away but sometimes it is necessary to remove tougher stains.
Our certified technicians can inspect your chimney and guide you on the best solution for your specific problem.
But if the amount of efflorescence on your chimney is excessive it may be cause for concern.
Cleaning efflorescence although rarely harmful efflorescence can still be unsightly on a chimney.
The moisture which creates deposits on the chimney also adds moisture in the attic.
A small amount of efflorescence is common.
Far from being only a visual eyesore the condition is actually showing that the chimney is allowing water through the masonry which will cause structural deterioration and other problems.
If you have signs of an efflorescence problem on your chimney s exterior trust the team at chimney solutions for help.
Its presence indicates excess water a condition that can damage interiors and encourage the growth of mold.
Inspectors should know how to remove efflorescence from surfaces and educate their clients about its identification and significance.
There are two possible sources of the moisture.
It is also seen with high efficiency oil furnaces.
But more likely and more serious the problem is moisture in warm air from inside the house condensing on the interior of the chimney during cold weather.
Defining efflorescence efflorescence is a white crystallized or powdery substance found on stone block or brick masonry.
Premature deterioration of the masonry structure is occurring.
Damage associated with moisture in the chimney.
We are experienced in working with many common chimney problems including efflorescence.
Chimney efflorescence often occurs when gas appliances such as furnaces and water heaters are used and vented into masonry chimneys.
The salty liquid then evaporates when exposed to the atmosphere and leaves the salt residue on the exterior of the chimney.