A: Skim coating is used to create a smooth, even surface on walls or ceilings by applying a thin layer of joint compound or plaster. It is commonly used to cover imperfections such as cracks, holes, or textured surfaces like popcorn ceilings, preparing them for painting or other finishes.

A: Drying time for skim coating typically ranges from 24 to 48 hours, depending on factors like humidity, temperature, and the thickness of the application. After the first coat dries, additional coats may need to be applied, with each layer requiring sufficient drying time before sanding and finishing.

A: Yes, when done properly, skim coating is a long-lasting solution that can effectively cover damage and imperfections. However, the durability depends on the condition of the underlying surface and the quality of the application. Proper surface preparation and application ensure the longevity of the skim coat.

A: Skim coating can be applied over most wall surfaces, including drywall, plaster, and textured surfaces like popcorn ceilings. However, the surface must be properly cleaned and prepared to ensure good adhesion and an even finish.

A: The cost of skim coating varies depending on factors like the size of the area, surface condition, and the complexity of the project. On average, skim coating costs between $1 to $3 per square foot, but larger or more damaged surfaces may increase the price. It's best to get an estimate from a professional contractor.