If efflorescence is visible on your chimney it s safe to assume that there is more going on than staining.
Efflorescence chimney attic.
In summary efflorescence is a harmless yet unsightly accumulation of salts on masonry surfaces.
But if the amount of efflorescence on your chimney is excessive it may be cause for concern.
Chimney efflorescence often occurs when gas appliances such as furnaces and water heaters are used and vented into masonry chimneys.
Cleaning efflorescence although rarely harmful efflorescence can still be unsightly on a chimney.
There are two possible sources of the moisture.
The moisture which creates deposits on the chimney also adds moisture in the attic.
The salty liquid then evaporates when exposed to the atmosphere and leaves the salt residue on the exterior of the chimney.
We are experienced in working with many common chimney problems including efflorescence.
Defining efflorescence efflorescence is a white crystallized or powdery substance found on stone block or brick masonry.
Inspectors should know how to remove efflorescence from surfaces and educate their clients about its identification and significance.
Premature deterioration of the masonry structure is occurring.
When the moisture evaporates minerals that had been dissolved in the water are left behind as a visible sign of the evaporation.
Damage associated with moisture in the chimney.
Some could be caused by rainfall soaking into the brick.
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.
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.
It is also seen with high efficiency oil furnaces.
Our certified technicians can inspect your chimney and guide you on the best solution for your specific problem.
Its presence indicates excess water a condition that can damage interiors and encourage the growth of mold.
The efflorescence is evidence that your chimney is regularly wet.
Stains and leak damage to a chimney may be visible in the attic brown or black oozing stains may appear on both masonry chimney and metal chimney exteriors though if the metal chimney was properly assembled such leaks onto the metal chimney exterior surface are unlikely.
A small amount of efflorescence is common.