ASTM E2357 vs. CAN/ULC S742 : Where Does the Comparison Stops ?

Published by SOPREMA

Do you know what distinguishes these two standards for air barrier assemblies for walls? Some may say that CAN/ULC-S742 is just a Canadian version of ASTM E2357 standard because they have the same test methods. But that is all they have in common. See for youself!