Is this water soluble after it dries
1
Thank you for posting your inquiry on DAP Fast 'N Final Lightweight Spackling. This product is not designed or recommended for use as a "stand alone" product, as indicated on the product package label and supporting product literature: "Exterior applications must be coated with latex or oil-based paint. If the product is exposed to moisture, softening may occur. For applications exposed to moisture, our DAP Platinum Patch would be recommended. Should you have any additional questions or require further assistance, please free to contact DAP’s Technical Customer Service Department at 888-327-8477.
