How To Repair Cracks On Exterior Walls. I'd just add that the important thing with cracks is to monitor them over a period to see if and by how much they are growing. Spray the wall with water from a garden hose.
Cracks disfigure the look of your exterior stucco surface.
Simple steps to repair cracks and holes in internal walls. How to repair or fill small or hairline cracks in cement render walls. If you see cracks in your external walls then you may well be worried that the structural integrity of your home is at risk. This will prevent the new mortar from drying too quickly.