DrJ Engineering

Congratulations to Max Roofing Products on their new TER 2511-109 for Max Roofing® Building Wraps!
https://www.drjcertification.org/ter/2511-109

Congratulations to Chemical Technologies Holding Corporation on their new DrJ Listing 2510-122: “Use of Chemical Technologies Holding Corporation’s TechWood 4400 Lumber Products in Fire-Rate Wall Assemblies.”
https://www.drjcertification.org/dl/2510-122