HB One Backer Cl from Hydroblok

HB One Backer CI from Hydroblok is a streamlined, four-in-one wall system designed for stucco and stone veneer applications. The exterior backer board integrates a secondary weather-resistant barrier, lath, scratch coat, and continuous insulation into a single product to simplify and speed installation. The product also has an insulation value of R-5 per inch and carries a Class A fire rating.