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Question DetailsAsked on 9/21/2011

1) How do you remove old rubber tile mastic from plaster walls? 2) What can you put on concrete block walls of shower stall for protectio

Bath 1) has plastic tile held with a rubber based, white cement. I need to remove off of plaster walls to be able to paint. This room is only 7' 6" x 5' wide. Tub (no shower), sink and stool.

Bath 2) 10' 7"x 5' 4"wide, cement block basement walls.. The walls are painted. The floor slopes into the drain area that is tiled with asphalt tiles. The walls have to be scrubbed to prevent mold.

I would like to find something that will protect the walls. In order to install a custom shower pan. The floor would need to be leveled and the drain relocated and raised. Which would be costly.

Both bathrooms are small and in need of updates. Bath 1 was remodeled in the 50's with pink fixtures. Gutting and replacing the fixtures at this time is out of the budget. Bath 2, the walls are aligned with the load bearing walls above them. I just want to make both baths easier to clean and more eye appealing at this time.

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You need to try and remove as much of the mastic as you can get off to make the surface flat. Then you can paint on 2 coats of waterproof/ ain't cracking membrane. Then you can tile the walls with tile of your choice, make sure you use thinset mortar and not mastic. Mastic feeds mold! Or to paint the walls, you will need way more TLC. You will prob have to skim coat the walls with drywall mud and sand it, twice more than likely.mprime them then you will be ready for paint.
Cement block walls, there are several options. First and foremost you will need to clean and remove as much of the paint as you can. Make sure it's not lead based before you go scraping paint off. There are testing kits at most big box stores.i would tile the walls if it was me. If you do that use the membrane two coats there as well.
You can also paint on an epoxy paint or something that's made for wet areas. Your local paint store can set you up on the right product for that. Just make sure you give them as much details as you can.

Good luck!

Source: http://www.littrellbathdesigns.com

Answered 5 years ago by hockeycoachtim




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