Does slate need to be sealed?

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Tags

1. #porcelain
2. #grout
3. #sealed
4. #marble
5. #slate
6. #spills
7. #against
8. #defenses
9. #ceramic
10. #sealing
11. #granite
12. #stone
13. #travertine
14. #probably
15. #needs
16. #erosion
17. #strengthen