Warranties and guarantees. 100% Satisfaction Guarantee !!

After we complete the job, one of our project managers will schedule a final walk-through inspection to ensure you are 100% satisfied with the work we completed for you.

5 Year Workmanship Warranty – All of our work is backed by our 5-year workmanship warranty.

1 Year Clean Up Guarantee – We pride ourselves on our clean up after the job is finished. If we should miss something, just give us a call and we will take care of it. If we miss a nail and get a flat tire, we will pay to have the tire fixed.

Manufacturer’s Warranty – All of our roofing choices come with manufacturer’s warranties, up to a Limited Lifetime Warranty. Ask your representative about the warranty that applies to your roofing, Siding, and Window material choice.

Affiliations, Certifications, and Awards

CoMo Premium Exteriors is a BBB Accredited Business with an A+ rating since 2011 and a Proud member of the Columbia Chamber of Commerce.


  • CertainTeed Select ShingleMaster Contractor
  • Tamko Pro Certified Contractor
  • Owens Corning Platinum Preferred Contractor
  • Elite Preferred James Hardie Siding Contractor
  • CoMo Premium Exteriors Proudly Certified by EPA (The United States Environmental Protection Agency).


  • 2018 and 2019 Customer appreciation award from ABC supply.
  • 2017 and 2019 Daily Tribune Reader’s Choice Awards.
  • 2016 and 2017 Lighthouse Award from Beacon Roofing Supply.
  • 2015 Award of Excellence for superior sales and service of Norandex building materials.
  • 2015 Angie’s List Super Service Award for achieving and maintaining a superior service rating on Angie’s List throughout 2015 as determined by Angie’s List members.
  • 2013 Gold Level Customer Appreciation Award From ABC Supply Company, Inc.