Can this be used to patch exterior masonite siding?
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Thank you for posting your inquiry. DAP PRESTO PATCH Multi-Purpose Patching Compound (Ready to Use) is not recommended for use on particleboard, MDF, OSB, masonite or similar "engineered” wood materials. Should you have any questions or require further assistance, please contact DAP’s Technical Customer Service Department at 888-327-8477.
