How to deal with the scraping porcelain of the ceiling of the old house

Updated on Suspended ceilings 2024-06-25
1 answers
  1. Anonymous users2024-01-24

    Methods of repairing cracks in drywall:

    Remove the loose plaster with a multifunctional knife. Turn the knife so that the notch is larger and the lines of the edges are clearer. Remove the plaster fragments and keep the wall around the notch structurally intact. Vacuum away loose plaster and dust.

    Mix the thick cooked plaster with water, and then brush the cracks completely with a paint brush that has been dipped in water. Fill the wet cracks with plaster (or repair mixture) and smooth the surface with a spatula or trowel. Allow the filled cracks to dry for at least 24 hours.

    When the plaster is dry, wrap a medium or fine sandpaper around the outside of the wooden block and gently sand the repaired area. If the crack is wide, then at least one more plaster is applied to smooth the surface and the place where the plaster was applied is re-wet each time. After the last plaster is applied, allow the area to dry for at least 24 hours.

    Once again, gently sand the repaired area, then apply a thin layer of paint or primer on top. Wait for the primer to dry before painting the entire wall.

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Ask the master painter to repair, if the peeling area is relatively large, then you can only scrape putty and paint again.

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As long as the top surface is sealed with gypsum board, putty or melamine can be scraped.