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  • Average homeowner rating star icon4.4
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Verified Reviews for Plaster Repair pros in Trimble, MO

*The Angi rating for Plaster Repair companies in Trimble, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Plaster Repair needs.

*The HomeAdvisor rating for Plaster Repair companies in Trimble, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Plaster Repair needs.

Last update on July 17, 2025

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Plaster Repair questions, answered by experts

Costs range from $200 to $800, depending on the area size and damage severity.

Depending on how much adhesive was used as well as the strength of the adhesive, you may have some drywall damage when removing a mirror. You can typically repair most drywall damage if it’s small by sanding the damaged area, applying spackle to smooth the damaged section so it’s flush with the rest of the wall, and repainting the area.

The short answer is yes, a sagging plaster ceiling is dangerous. Sagging plaster on a wall is something you should fix immediately, but it isn’t a major concern. If the same type of sagging occurs on a ceiling, however, you could be in danger of your ceiling falling in large chunks. When plaster sags, it loses its strength and ability to hold itself up. The bonds that hold it together are strong, though, so if a sagging area falls, it will take large pieces down with it.

Yes, you can apply new plaster over an existing plaster surface, such as a wall or ceiling, provided the old plaster is in good condition. Before you begin, check the stability of the existing plaster. The surface must be clean, free of loose material, and have no peeling paint. It is also recommended to roughen the surface slightly to promote adhesion. For older plaster, applying a base coat like a PVA emulsion or a specific bonding agent or primer is crucial. This step makes the existing plaster less porous and ensures the new and old layers adhere properly for a smooth, long-lasting finish.

Plaster is a pretty tough surface, but it can still sustain damage from things like bumping against it, water issues, dampness, extreme humidity changes, and plain old age. Most plaster walls last hundreds of years and will only be taken down to the base layer when major repairs are required. Being cautious around the wall, not placing furniture against it, and ensuring stable humidity are all great ways to reduce possible damage.

The Trimble, MO homeowners’ guide to plaster repairs

From average costs to expert advice, get all the answers you need to get your job done.

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