plaster spots show through plasterboard and paint

[raymondo]

i moved into a newish house i have emulsioned the walls that were already emulsioned and all over the walls i can see dark spots obviously from spot and dab plaster boarding any one any ideas how to get rid of these dark spots it looks awful thank you anybody

 

[TexMex]

Try PVA to seal it, and then go over it again.

 

[benjiman]

You can buy a product from polycell called "Stain Stop". I think thats what its called.

Small tin about 1 litre and cost about a tenner i think. Just paint over the dark stops and it should cover it. Then simply paint over with normal paint.

 

[raymondo]

thanks for your reply i will give pva a try first and try the pollycell in the other room and see which 1 works best thanks i will let u know