Applying putty to a surface is a job that requires caulking. Caulking is a process of sealing joints or seams in various structures and materials, such as in the construction of buildings, boats, and other objects. It involves filling gaps with a material such as putty, which is a type of sealant. Putty is a pliable material that can be used to fill in cracks and holes in surfaces. Applying putty to a surface requires the use of a caulking gun, which is a tool that dispenses the putty in a controlled manner.