by Cornerstone Roofing | May 14, 2019 | Manufacturer Credentials
Cornerstone Roofing Receives 2019 CertainTeed SELECT ShingleMaster Contractor Certificate Cornerstone Roofing, Inc. is celebrating its 13th year as a CertainTeed SELECT ShingleMaster Roofing Contractor (CertainTeed’s highest credential level). For a recap of...
by Cornerstone Roofing | Feb 25, 2014 | Manufacturer Credentials
Cornerstone Roofing, Inc. has been a CertainTeed SELECT ShingleMaster for over 8 years now. We just received our latest certificate for 2014-2015. This is the highest credential level attainable with CertainTeed. The certificate explains that our employees are Master...
