Interior vs. exterior

摘要

Nearly every discussion about caulks and sealants begins by acknowledging that there is a bewildering array of these products on the market, each of which is formulated out of a wide balance of compounds for either specific or general applications. The very terms caulk and sealant can be confusing, as there is no industry standard to distinguish the two. Generally, the distinction is qualitative: Caulk is a lower grade of sealant. Pure silicone is a superior sealant for most substrates.