Awards & Certifications

S&K Roofing, Siding and Windows is licensed to do home improvement work in Maryland – MHIC #21080, Virginia – VA License #2705 105665 , Pennsylvania – PA License #006976 and West Virginia – WV License #044803. We uphold the highest quality standards for our work. Over the years, we have earned and currently maintain the following trade certifications and awards/ratings:

liability-insurance This certification verifies that S&K Roofing, Siding and Windows has current liability insurance and worker’s compensation. Click here to download our insurance information.
EPA-lead-safe S&K Roofing, Siding and Windows is an EPA Lead-Safe Certified Firm. EPA requires that firms performing renovation, repair, and painting projects that disturb lead-based paint in pre-1978 homes, child care facilities and schools be certified by EPA and that they use certified renovators who are trained by EPA-approved training providers to follow lead-safe work practices. Find out more at
Angie's List Super Service Award Winner 2020 The Angie’s Lister Super Service Award recognizes home improvement companies who have received outstanding rating consistently throughout the year on
davinci-masterpiece-contractor As a member of the DaVinci Masterpiece Contractor program, S&K Roofing, Siding and Windows has been recognized for our expertise and experience in successfully installing and maintaining DaVinci synthetic slate and shake roofing systems.
certainteed-select-shingle-roofer This credential represents the highest standards of excellence, quality and knowledge in the shingle roofing industry. Very few roofing contractors hold this credential, so you can rest assured you are getting one of the best when you hire S&K Roofing, Siding and Windows.
VSI_Certified_Installer_sm The Vinyl Siding Institute (VSI) is the trade association for manufacturers of vinyl and other polymeric siding and suppliers to the industry. Several of S&K’s vinyl siding installers are certified in the VSI Certified Vinyl Siding Installer Program, including owner Don Katzenberger.
ecostar-gold-star-applicator S&K Roofing, Siding and Windows has met all of the EcoStar requirements to become a Gold Star Authorized Applicator. S&K is authorized to install all EcoStar roofing products.
gaf-roofing-installer S&K Roofing, Siding and Windows has achieved the status of GAF Authorized Residential Roofing Installer for GAF Materials Corporation (Residential Roofing Products Division), North America’s largest roofing manufacturer. This certification verifies that S&K Roofing, Siding and Windows has current liability insurance and worker’s compensation.

Trade Association Memberships

S&K Roofing, Siding and Windows is a member in good standing with the following trade associations:

bbb S&K Roofing, Siding and Windows has been a BBB Accredited business since October 2002. This means we support BBB’s services to the public and meet the BBB Accreditation standards. S&K enjoys an A+ rating with the BBB.
certainteed-pro-roofing-council S&K Roofing, Siding and Windows is an active member of an elite group known as “The Professional Roofing Advisory Council”, which meet to discuss exterior remodeling on an annual basis.
metal-roofing-alliance The Metal Roofing Alliance was formed in 1998 by a small group of forward-thinking metal roofing manufacturers with the main goal of educating consumers about the many benefits of metal roofing.


  • No High Pressure Sales

    No High Pressure Sales

    Some contractors require all homeowners to be present at the time of your estimate. Why? They want you to sign on the spot, Some go as far as to offer a discount for signing that day. We're not sure why their price would be higher the next day...ours isn't. After we visit your home for estimating, we prepare a comprehensive, well-planned estimate. That's it. No pressure. No hassles.

  • Fair Pricing

    Fair & Honest

    When we assess your roofing, siding, windows or other planned improvements, we'll provide an honest evaluation. If your roof, for example, still has a few years before it needs replacing, we'll let you know. Our pricing is fair, too. Compare us to others and see!

  • Worry Free. Guaranteed.

    Worry Free. Guaranteed.

    Back in 2003, we adopted our Worry Free. Guaranteed. tagline...long before giants like Verizon adopted it! It's simple, but says it all. Our mission, and the way we approach home improvements is geared toward making your experience with us free from drama, free from hassles. Worry Free. Guaranteed.