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A joint compound includes water, calcium carbonate, and a water-soluble polymeric set retarder formed from a monomer having two or more carboxyl groups. The joint compound is useful in various applications and in a hybrid joint compound made with a calcium sulfate hemihydrate setting-type joint comp

A joint compound includes water, calcium carbonate, and a water-soluble polymeric set retarder formed from a monomer having two or more carboxyl groups. The joint compound is useful in various applications and in a hybrid joint compound made with a calcium sulfate hemihydrate setting-type joint compound.

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1. A joint compound, comprisingabout 20 wt. % to about 37 wt. % water; about 10 wt. % to about 90 wt. % calcium carbonate; about 0.5 wt. % to about 5 wt. % mica; about 0.5 wt. % to about 5 wt. % attapulgite clay; about 1 wt. % to about 4 wt. % latex; and about 0.001 wt. % to about 0.5 wt. % of a wat

1. A joint compound, comprisingabout 20 wt. % to about 37 wt. % water; about 10 wt. % to about 90 wt. % calcium carbonate; about 0.5 wt. % to about 5 wt. % mica; about 0.5 wt. % to about 5 wt. % attapulgite clay; about 1 wt. % to about 4 wt. % latex; and about 0.001 wt. % to about 0.5 wt. % of a water-soluble polymeric set retarder formed from a monomer having at least two carboxyl groups.