Answer
Jan 13, 2021 - 12:42 PM
This is a penetrating sealer, so critical for it to work is it needs to be able to soak into the porous concrete or masonry, which it cannot effectively do if that is already sealed with paint.
Can you use this over painted cinder block? SAMPLE - AFM SafeCoat, WaterShield Concrete & Masonry Sealers
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Open Jan 10, 2021 - 06:14 AM
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