How to finish after filling?
The final touch is to sand the area with fine sandpaper slightly. If the wall has irregularities, it will be necessary to apply a specific putty to smooth the support. This liquid applied after the first hand will help you paint the surface better. Allow to dry for a few hours.
How to fill a crack in an outside block or brick wall?
Unlike other materials, an outer wall in concrete blocks or bricks that has cracks requires caution. And for good reason it can quickly cause damage in the home. That’s why before performing any work alone, you will need to consult a construction specialist. This expert will be able to make a diagnosis of the facade to evaluate the masonry of the house. If it is important to turn to a professional it is because a repair on bricks or concrete blocks requires a know-how not accessible to DIY enthusiasts and because it can damage the walls. The cracks can be caused by moisture. There are techniques to prevent it permanently.