Painting - what to do?

[riwiho]

The initial message was deleted from this topic on 24 October 2012 at 17:42

[Barreti]

As long as you are absolutely sure it has dried out properly, you should be OK to 'paint' it with a PVA solution then paint over it when dry.
I think the solution is 1 part PVA to about 5 of water or even more - it will be on the tin.

[Big Al.]

There is a damp guard paint IIRC I got it from B&Q.

In my case a couple of dame patches occurred due to a blocked gutter, painted the stuff on the are concerned let it dry then prime and repaint as required. Not seen that damp patch again must be 5 years ago now.

[CatherineJ]

I have an aerosol can of polycell damp stop (or is it called stain stop????). Anyway it is designed to solve the problem you have.

[robinhood21]

CatherineJ said:

I have an aerosol can of polycell damp stop (or is it called stain stop????). Anyway it is designed to solve the problem you have.

Probably Stain Block. Designed to do as it says on the tin. If the area is dry then there really is no need to use a damp sealer. But is a good idea to use the Stain Block as it will stop any stains from coming through the reapplied paint. Mind, if you have some damp-preventive-paint already, then this should also prevent stains from coming through too.

[CatherineJ]

robinhood21 said:

CatherineJ said:

I have an aerosol can of polycell damp stop (or is it called stain stop????). Anyway it is designed to solve the problem you have.

Probably Stain Block. Designed to do as it says on the tin. If the area is dry then there really is no need to use a damp sealer. But is a good idea to use the Stain Block as it will stop any stains from coming through the reapplied paint. Mind, if you have some damp-preventive-paint already, then this should also prevent stains from coming through too.

Just checked it's called stain stop. I actually bought it with a view to applying it in the kitchen where grease marks present on the walls before I painted. In the end I didn't need it.

[jardinec]

agree with above posts, apply some stain block or similar and paint as normal, assuming the source has been found & dealt with it should be fine.

[rich1231]

8 weeks at this time of year wont be long enough for you to be sure its dry. Wait a while longer

[Wings]

Use any oil based paint as an undercoat/base, to stop the original damp patch bleeding through, so no need to buy proprietary stain block paint.

[monthefish]