Historical
ASTM C755-19b Red
Standard Practice for Selection of Water Vapor Retarders for Thermal Insulation (Standard + Redline PDF Bundle)
Content Provider
ASTM International [astm]
Content Provider
ASTM International [astm]
As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.