1, check number: black area.
Placement: Shave off the marks, rub off the nodules, dry and repaint.
2, check number: paint droplets and overflow.
Placement: After drying the paint, sand it with sandpaper, dust it and repaint it.
3, check mark: wrinkles.
Into the seats: The first layer of paint will be wrinkled when it is applied on the second layer. It should be scraped off and repainted.
4, check number: gravel.
Into the seat: If the gravel is wrapped in dry paint, lightly grind it with sandpaper, sweep the paint, dry it and wipe it clean.
5, check mark:
Placement: Remove the original paint (if there is a gap, fill it first), make a base, coat the primer and then paint.
6, check number: uneven coating.
Admission: If you see the primer, you can add a layer of paint.
7, check number: flakes off.
Admission: If the surface is not treated properly, the original paint layer should be scraped away, look good, and repaint.
8, check mark: stains.
Placement: Paint surface with aluminum primer and repaint.
9, check mark: crack.
Placement: If two layers of paint are incompatible, cracks will occur and the original paint will be repainted.
10, check mark: black spots.
Placement: Grind and recoat when dry, remove dark spots and modify.
Wall construction paint
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