Do you need heat for drying mud? If so, do you provide it? November 12, 2019December 1, 2019 adminLeave a Comment on Do you need heat for drying mud? If so, do you provide it? Heat is required to dry the mud. Contractors typically are required to provide the heat, but arrangements can be made if required. Additional charges may be incurred if T.D.G. The Drywall Guy Inc. provides the fuel for the heaters.