Huber is a leading supplier of calcium carbonate to the drywall industry and offers a number of high-quality Hubercarb® calcium carbonate grades used in the production of joint compound, which is also known as joint cement or drywall mud. Our calcium carbonate products help to reduce water demand, compound shrinkage and cracking, as well as reducing overall compound cost in joint compound applications.

Hubercarb® Q200T is a 22-micron surface-treated size calcium carbonate grade produced where enhanced dry flow properties are needed.