If you are dealing with damp or condensation the issues can be similar.
Damp seal paint for interior walls.
Allow the primer to dry.
When painting over damp stains you will require damp seal paint.
It works as an interior seal to form a breathable membrane that enables trapped moisture that accumulates to evaporate.
Use the paintbrush first to paint around the perimeter and then use the paint roller.
Once the stain is dry paint the wall with a good breathable paint for damp walls or damp seal paint which can be purchased at any specialized maintenance and home renovation store.
If your foil test showed that water is soaking through your basement walls and leaving them wet seal the interior of the walls with a high quality waterproof paint such as drylok white extreme.
Apply the primer to the wall first to seal the wall and prevent moisture problems.
The build up of moisture can cause the damp to spread through interior walls leaving water stains and streaks to can be unappealing to the eye.
Use a roller or brush to apply it to the affected area.
It is mainly used for masonry but is equally a reliable paint to keep your basement walls foundations bird baths and cinder blocks protected against mold and mildew build up.
Damp seal paint or also known as anti damp paint is used on walls and surfaces that have been affected by the build up of moisture.
The seal will be touch dry in only two hours.
If you have damp patches bubbling paint crumbling plaster or powdery deposits on wall surfaces close to the floor rising damp is probably the culprit.
Both problems can cause mould to grow.
Thoroughly stir the paint to ensure it s well mixed.
Prevents damp from showing through and spoiling decoration.
Check if the wet spot is dry or not.
Most damp paint allows moisture to escape but blocks stains.
Damp seal paint covers damp stains on interior walls and ceilings.
Rising damp usually occurs in masonry.
If it s only a small damp patch paint at least 30cm around the area so the damp won t creep elsewhere.
Thompson one coat damp seal this is one of the many examples of a damp proofing paint for interior walls that is primarily used to produce a primed surface ready for final decoration.
You can use it on both interior and exterior surfaces.