by Cornerstone Roofing | Feb 13, 2017 | Manufacturer Credentials
We have just received our CertainTeed SELECT ShingleMaster certificate in the mail for 2017, the highest credential level with CertainTeed Roofing! In order to qualify for this, Cornerstone Roofing, Inc. met the following requirements: Shingle installation workforce...
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...
