Troublesome Chimney Efflorescence: Causes & Cures - Lindemann Chimney Service Co.
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  • Troublesome Chimney Efflorescence: Causes & Cures

    Troublesome Chimney Efflorescence: Causes & Cures



    Is your home experiencing white powdery deposits on the chimney’s exterior wall? If so, you more than likely have a case of efflorescence, a common ailment of masonry work. Although not harmful to the home’s structure, the stains can be unsightly… and unnerving. Taking time to learn the causes and cures for this condition will empower you to tackle the issues head-on.


    Efflorescence is a common symptom of water evaporating from the chimney surfaces leaving behind white salt deposits. Salt in the mortar mix or brick is dissolved by water that enters in the chimney mixing with it. Efflorescence is the result of this process.


    While tackling the stains with a water hose or other cleaning solution may seem like an easy fix, your results will be very short term. As soon as the water evaporates, the salt returns back to the surface visible once again. To stop efflorescence from plaguing the chimney, you need to prevent the water from entering the chimney. A certified chimney technician can assist in this task by placing flashing around the chimney crown. An additional precaution is to apply a water repellant solution to the sides of the unit.

    The certified technicians at Lindemann Chimney Service can assist with any of your chimney ailments. Trusted in the community for over 40 years, we provide our neighbors quality fireplace and chimney installations and repairs along with comprehensive maintenance services. If you are experiencing efflorescence on your chimney, contact us today to schedule an inspection.

    Contact us for more information or to schedule an appointment

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