wht is caulk
Caulk is a non-structural, physical compound that provides an airtight, watertight, or non-porous seal. The seal or closure made by caulk is used to prevent something, such as air, water, gas, liquid, or steam, from entering or escaping between two other materials.Caulk is used to seal joints or spaces between those two materials whether they are similar in substance or not. People have used caulk for centuries.It is best defined by what it does rather than by its composition. Caulk is both a material and an action; to caulk means to apply a caulking material. This article will explain both its purpose and some of its uses.he seal or closure made by caulk is used to prevent something, such as air, water, gas, liquid, or steam, from entering or escaping between two other materials. Caulk is used to seal joints or spaces between those two materials whether they are similar in substance or not.