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Outdoor Masonary prep - Best grain sand paper ? I have manual orbital pole

  • 08-06-2024 3:02pm
    #1
    worded
    Registered Users, Registered Users 2 Posts: 4,639 ✭✭✭


    What Grain to get ?



Comments

  • #2
    worded
    Registered Users, Registered Users 2 Posts: 4,639 ✭✭✭worded


    Ive flaking paint from previous bad paint job 10 + years ago.

    So maybe 80 to 100 …

    Re https://www.toolstop.co.uk/blog/knowledge-base/sandpaper-grits-explained

    • 40 grit: Coarse
    • 80 grit: Medium
    • 100 grit: Medium
    • 120 grit: Fine
    • 220 grit: Fine
    • 440 grit: Extra Fine



  • #3
    10-10-20
    Registered Users, Registered Users 2 Posts: 8,061 ✭✭✭10-10-20


    Sandpaper on what, masonry? Usually you'd just use a high pressure sprayer.



  • #4
    worded
    Registered Users, Registered Users 2 Posts: 4,639 ✭✭✭worded


    There is old paint pealing off in large clumps.

    The cement under neath is OK but under the clumps it's powdery

    No harm sanding a bit but perhaps the power wash will be enough will see



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