Virginia K. of Potomac, Montgomery County, MD 20854

Virginia K. of Potomac, Montgomery County, MD 20854


(Found on CheckBook.org)

Edgar Li did an outstanding job of installing a Pro Via single metal and double fiberglass French patio doors in January 2015. The workmanship was outstanding. Mr. Li is a very fine businessman,very knowledgeable of the products he uses and very thorough about explaining options and best product for a specific area. He responded quickly to our inquiries and completed the work on time. I plan to have him install shutters soon.


TESTIMONIALS

Marc L. of Rockville, Montgomery County, MD 20852

(Found on CheckBook.org) All the positive reviews about Mr. Li and his crew are true! He is quick to respond to messages, is prompt for estimates, and very knowledgeable with good suggestions to fulfill our needs. We are very happy with our new entry door and storm door. I highly recommend Crystal Exterior and will hire them again for future work.

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Consumers' CheckBook Nonprofit, Independent rating

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ProVia Certified Installer

We are experts in the installation of all Provia doors

Owens Corning Preferred Contractor

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Certified Certainteed Master Shingle Applicator

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