1) Don't allow concrete to be used for replacing or restoring the chimney crown.
Chimney
caps are typically made of cement which tends to crack with time
because of expansion and contraction caused by the repeated heating and
cooling.
Our research has led us to using much better products for chimney crown repair.
2) Skimming is not acceptable.
Restoring chimneys correctly means thoroughly digging out and removing
old mortar.
Making quick work of this tuckpointing process an
all-too-common practice that may look good on the outside. Don't be
fooled by appearances. This is only a temporary fix and not true
restoration.
3) Choose a contractor that has a strong reputation for best practices and lots of satisfied customers.
This gives you confidence and a job that lasts. It's also your best assurance against a bad experience and poor workmanship. (See the A+ rating with BBB and loads of masonry and chimney repair customer testimonials.
4)
Get a masonry contractor that takes before and after photos of your
chimney so you see a close-up view of the work that was done.
Below- Before and after photos of recent local chimney restoration.