You want to be careful steaming on old plaster. That will pull in any moisture and hold it. Then anything you do over the top will be fucked and have to be done again. Ask me how I know.....
That's good to know!
@hugo7 started
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You want to be careful steaming on old plaster. That will pull in any moisture and hold it. Then anything you do over the top will be fucked and have to be done again. Ask me how I know.....