New deck installed, painted with brown oil base stain. Now I see black marks appearing. What is this?
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The Practical House Painting Guide
The Practical House Painting Guide
New deck installed, painted with brown oil base stain. Now I see black marks appearing. What is this?
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Behind the word mountains, far from the countries Vokalia and Consonantia, there
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One Response
If the marks appear near nails or screws then they could be caused by rust or the galvanized coating. If away from metal parts, then it could be tannin bleed or wood sap.