Brownstone was a wildly popular exterior material for houses for several decades in the 19th century but proved susceptible to acid rain and other pollutants in the 20th.
Restoring brownstone and other soft stones requires a blend of art and science, and good craftsmanship. Modern restoration mortar products, like Jahn Cathedral Stone Restoration Mortar, in the hands of a skilled craftsperson can produce excellent results even on severely deteriorated carved stone.
Here are two custom mix samples (by Knowles Industrial Services Corp. of Maine) held next to the stones they will be used to repair. On this job, some original stone blocks were repaired and others that are beyond repair replaced with newly cast pieces of the restoration mortar. With the right product in the hands of the right people, remarkable results can be achieved.
Learn more about brownstone restoration in Restoring Your Historic House, The Comprehensive Guide for Homeowners!
Winner of the MWPA 2020 Excellence in Publishing Award, the 720-page best-selling hardcover book is available in bookstores and from online retailers (it is currently 34% off on Amazon! http://ow.ly/Uumq50zRjJ5).
Signed and personalized copies are available directly from the author on this site, click here: https://yourhistorichouse.com/shop/.
Bookstores can order copies from W.W. Norton.
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