Diy Repair Stucco Cracks. The rule of thumb for repairing cracks is start small. Wider cracks can be cleaned out using a screwdriver or a cold chisel.
Next, mix the mortar using a shallow bucket. Before you tackle a diy stucco repair, look for signs of serious water damage such as: Anyone with stucco walls will tell you that cracks seem to be a way of life for them.
Apply stucco or mortar caulk, both of which have a grainy texture that blends with a stucco wall.
Cracks and holes must be fixed as soon as they are noticed to keep the structural integrity of your stucco intact. Clear impacted area of loose stucco. There are a few degrees of severity of these cracks in stucco. Step 4 slowly draw the gun down the crack forcing a bead of stucco repair caulk deep into the crack.