Skip to main content

Prevalent Exteriors Inc. 240-477-8000 Roofing.Siding.Windows.Decks.

Licensed. Insured. Certified. Free Estimates.

Home  About Us  Contact Us  Roofing  Siding  Windows  Decks  Promotions   

Subscribe here to receive our monthly promotions!




Prevalent Exteriors Inc. is the premier home improvement company based in Germantown, MD. We are licensed, insured and locally owned and operated since 1998.


We specialize in installation, replacement and repair of residential roofing and siding systems, replacement windows and decks. We have established a long track record of satisfied customers by offering superior products and installation techniques along with value and reliability.



Prevalent Exteriors services many areas in and around Montgomery County. Find yours below!


Germantown, Gaithersburg, Rockville, Olney, Damascus, Mt. Airy, New Market, Poolesville, Frederick, Bethesda, Darnestown, Potomac, Clarksburg, Dickerson, Silver Spring, Chevy Chase, Kensington, Burtonsville, Colombia, Laurel,  and Wheaton.



We are members of the Better Business Bureaus Reliability Reporting Program and hold a current rating of A+.


Prevalent Exteriors is a Certified Lead-Safe Firm by the E.P.A and employs E.P.A Lead-Safe Certified Renovators that follow and document all Lead-Safe Work Practices and Regulations for our projects on homes built prior to 1978.


We are a five star rated contractor on the Service Magic contractor directory, based off of over 40 previous customer testimonials.


Prevalent Exteriors holds several prestigious roofing and siding certifications for successful completion of manufacture installation training courses and examinations shown below.



It is our goal to provide our customers the greatest satisfaction with every project.



Click here to receive a free estimate





CertainTeed 5-Star Contractor Certification Vinyl Siding and Trim Salvatore Degiampietro







CertainTeed Certification Education & Development Program Building Solutions Salvatore Degiampietro






United States Environmental Protection Agency (EPA) Lead-Safe Certified Firm Certification Salvatore Degiampietro








 CertainTeed Master Shingle Applicator Certification Salvatore Degiampietro


Top of page



CertainTeed Wolverine Vinyl Siding Master Craftsman Certification Salvatore Degiampietro Prevalent Exteriors Inc







CertainTeed Restoration Millwork Exterior Trim Master Craftsman Certification Salvatore Degiampietro Prevalent Exteriors Inc






Shingle Quality Specialist Certification CertainTeed Shingle Technology Salvatore Degiampietro Prevalent Exteriors Inc







Vinyl Siding Institute Certified Installer Certification Salvatore Degiampietro Prevalent Exteriors Inc




   EPA Lead-Safe Certified Firm         CertainTeed 5-Star Contractor Vinyl Siding and Trim



    Master Shingle Applicator CertainTeed           Certified Vinyl Siding Installer Program



     Seal of Approval Screened and Approved Service Magic             CertainTeed Shingle Quality Specialist Shingle Technology



              Master Craftsman



Click here to receive a free estimate


Prevalent Exteriors Inc.

19655 Crystalrock Drive

Germantown, MD 20874


MHIC# 97827, 126853


Montgomery:    (240) 477-8000

Frederick:         (301) 748-9464





Hours of Operation:


 7:00 AM- 7:00 PM


 7:00 AM- 7:00 PM


 7:00 AM- 7:00 PM


 7:00 AM- 6:00 PM


 7:00 AM- 5:00 PM


 8:00 AM- 4:00 PM





We Accept: