How Long Does Drywall Mud Need To Dry Before Sanding in How To

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How Long Does Drywall Mud Need To Dry Before Sanding. As a rule of thumb, allow every coat of drywall mud to cure for at least 24 hours before sanding, painting, or applying the next coat. Joint compound should generally be allowed to dry for 24 hours between coats and before sanding, painting or priming.

Contractor painted over wet Sheetrock mud then filed
Contractor painted over wet Sheetrock mud then filed from www.hometalk.com

The time required for drywall mud to dry is. 24 hours was always given as the default amount of time for drywall mud to dry enough for sanding. A light patch in a warm, dry space could be ready in.

Contractor painted over wet Sheetrock mud then filed

It’s best to wait until it’s bone dry. When the patch is completely covered and dry it is ready for sanding. In the same way a clothes dryer dries a load more quickly on hot than on cool, so does warm air speed up the joint compound drying time. Once mud is completely dry ( anywhere from an hour to a day depending on thickness and humidity etc) and sanded ( i hope) you can prime.