Joint compounds and plaster spread along drywall panel seams, nail heads, and indentions to create a smooth finish to the wall surface. Also called mud, joint compounds are typically used in conjunction with mesh drywall patches and tape. Once dried, these compounds are sandable in preparation for texturing, painting and other finishing applications.

Spackling paste, also called painter's putty and spackle, is used to fill minor imperfections in wall surfaces such as nail holes, dents, and divots. It is fast drying, does not require sanding, and is primarily used in preparation for painting.