CertainTeed, a subsidiary of Compagnie de Saint-Gobain SA of France, is one of the largest suplliers of building materials in the US. CD Kaller uses and is certified in the application and installation of many of CertainTeed's products.
CertainTeed offers a number of programs to ensure that contractors use and install their products correctly. CD Kaller Inc has earned certification for many of these products.
- 5 Star Contractor
- Building Solutions Specialist
- Gold Star Contractor Commercial Roofing
- Master Craftsman Restoration Millwork
- Master Craftsman Vinyl Siding
- Master Shingle Applicator
- Select Shingle Master
- Solar Credentialed
- Symphony Slate Installer