What is the difference between caulk and sealant?
Technically speaking the term caulk is actually a verb that describes the process of sealing up a construction joint. Within the building trades the term is used loosely referring to almost any type of sealant material. The term is also used when referring to early “calks” such as oil based, latex, and butyl “calks”. The term sealant refers to an elastomeric material used to fill and seal an expansion joint. Sealant materials prevent the passage of water and allow for horizontal and lateral movement at the expansion joint.
