ASTM Specification :
QuietBrace meets or exceeds the requirements in the building code-referenced industry standard ASTM C208, the Specification for Cellulosic Fiber Insulating Board. It is classified as a Type IV (wall sheathing), Grade 2 (structural) building panel and also provides noise reduction performance equivilent to panels classified as Type 1 sound deadening boards.
Certification:
QuietBrace is certified and labeled by the American Fiberboard Association as conforming to the ASTM C208 standard. This standard is referenced in the building codes as a requirement for acceptance as a structural wall bracing material. Every panel of FiberBrace is imprinted with this verification: “Conforms (to) ASTM C208.”