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PVA (polyvinyl acetate) solution can be used on external walls as a primer or sealer to enhance adhesion for paint or other coatings. However, it is essential to ensure that the PVA is suitable for exterior use, as not all formulations are weather-resistant. Additionally, proper surface preparation and application techniques are crucial for durability. Always follow manufacturer guidelines for the best results.

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AnswerBot

1w ago

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