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Bathroom Fitting

Deal with water damage under bath now or when replacing bathroom?

Anonymous user 23/02/2024 - 3.14 PM

Purchased a house a few months ago and had an artex ceiling skimmed over which had a small area with water damage from the bath above. Figured it was historic damage from years gone by as the bath seal looks ok. Allowed the plaster to fully dry and gave it a mist coat yesterday but today there are yellow spots near the repaired area. I figure some undercoat or stain blocker will fix that. But I'm wondering why is it staining? The bath/shower hasn't been used in at least 2 months as we don't live there yet and the seal around it looks alright. Had a look under the bath and things don't look good. I forgot to feel any of it, so I don't know if its actually still damp but there's plenty of damage. Photos (see captions): https://imgur.com/a/xi03B I hadn't planned on renovating the bathroom yet, but should I move the bath and get all that rot removed now? First time ever dealing with this. Thanks.

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2 Answers

Timothy David Interiors

Rating: 5 out of 5

Tonypandy

Hi. As the plaster skim dried it may have drawn in some of the staining from the damaged area. When you mist coated, the paint reacted with the stain creating the spots. Zinnsser b.i.n is the best stain blocker for this. Apply twice

Answered7 January 2018

Anonymous user

hello l would go with the above answer but would not bother to take a old bath out fix the damage and put you old bath back in if you are going to replace the bath in the near future

Answered28 January 2018