Because brick has such high relief a paint roller with a long nap about 1 inch 25 mm is the ideal tool for applying sealer.
Painting techniques for brick walls.
For interior and exterior brick many experts recommend semi gloss or gloss paint as either type accentuates detail and compared with other paints is easier to clean as time goes by.
Then paint the whitewash on the surface of whatever you re painting and blot the runs with a rag right away.
Choose a water based primer that s made for brick and masonry so it s sure to adhere well to the wall.
This painting technique involves rolling a rag up and down wet painted walls to add a unique depth and texture.
Use the roller to apply a single coat of sealer across your brick wall cutting in around the edges with an angled sash paintbrush if necessary.
If the result seems too solid still just water it down a bit more.
Use a synthetic bristle brush which is great for painting uneven surfaces or use a roller with a thick nap for a quicker application.
This kind of painting style is very normally seen in small rooms like bathrooms where the soft textures can help in masking the dimensions of the room and making it feel little less cramped and appear spacious.
The paint has to be a water based paint not oil.