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Hello friends,
I want to skim coat the untiled part of my bathroom walls and ceiling before painting because the existing finish is textured (wall on right in photo) and I want a regular smooth wall. It has been painted with a glossy finish. I don’t want to sand the existing wall/paint because it could contain asbestos or lead. Can I skim coat with joint compound straight onto the wall? do I need to prime? Is there a product I can use that will roll on?
Hello @crisis
I'm aware that you are not keen on having a test done, but I suggest having an asbestos and lead test done because if it does contain asbestos or lead, you'll need the services of an asbestos specialist who can seal the surface properly. It can't be done as a D.I.Y process, you'll need to inform the asbestos specialist that you plan on skim coating the surface, the specialist will take this into account as they seal the surface.
However, if the test result is negative for both asbestos and lead, you can continue your renovations plans.
If you need further assistance, please let us know.
Eric
Hello @crisis
I'm only suggesting it for health and safety. Generally speaking, if the surface has asbestos on it, it is strongly recommended that you hire a licensed asbestos professional due to the severe health risks involved. There is no safe level of exposure to asbestos fibres. I also can't predict the level of safety your current wall paint has. It may appear safe to you, but if the surface is disturbed it could release small asbestos fibres into the air. Plus, if the surface has to be sealed you'll still need the services of an asbestos professional.
The only time you can continue your painting or plastering is if the test is negative. If there is no asbestos, you can continue working on your renovation.
If you need further assistance, please let us know.
Eric
