Efflorescence Chimney Attic

In summary efflorescence is a harmless yet unsightly accumulation of salts on masonry surfaces.
Efflorescence chimney attic. If efflorescence is visible on your chimney it s safe to assume that there is more going on than staining. 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. 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. The moisture which creates deposits on the chimney also adds moisture in the attic.
The efflorescence is evidence that your chimney is regularly wet. Its presence indicates excess water a condition that can damage interiors and encourage the growth of mold. The salty liquid then evaporates when exposed to the atmosphere and leaves the salt residue on the exterior of the chimney. 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.
Most of the time the rain will wash it away but sometimes it is necessary to remove tougher stains. Inspectors should know how to remove efflorescence from surfaces and educate their clients about its identification and significance. If you have signs of an efflorescence problem on your chimney s exterior trust the team at chimney solutions for help. A small amount of efflorescence is common.
We are experienced in working with many common chimney problems including efflorescence. Some could be caused by rainfall soaking into the brick. There are two possible sources of the moisture. A chimney sweep has chemical mixes designed specially for taking care of this problem.
Cleaning efflorescence although rarely harmful efflorescence can still be unsightly on a chimney. Damage associated with moisture in the chimney. Our certified technicians can inspect your chimney and guide you on the best solution for your specific problem. Defining efflorescence efflorescence is a white crystallized or powdery substance found on stone block or brick masonry.
Chimney efflorescence often occurs when gas appliances such as furnaces and water heaters are used and vented into masonry chimneys. When the moisture evaporates minerals that had been dissolved in the water are left behind as a visible sign of the evaporation.