Can joint compound be ised over masonite walls
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Thank you for posting your inquiry. The DAP Premium Wallboard Joint Compound is designed and intended for use in the finishing of gypsum panel joints, nail heads and metal corner beads (thin "skim coating" applications). We would not recommend it's use on Masonite surfaces. Should you have any additional questions or require assistance, please contact DAP’s Technical Customer Service Department at 888-327-8477.
