Cracks in concrete walls can be repaired with a liquid or paste elastomeric compound. The compound is squirted into the crack with a bottle or forced into the crack with a putty knife. Cracks up to 1/2-inch wide and 1/4-inch deep, either interior or exterior, can be repaired this way.
How to fix wall cracks | Buildfix
How to Repair Cracks in Vertical Concrete Surfaces with QUIKRETE
Stucco wall & small crack at window explanation.
Frequently Asked Questions
What causes cracks on outside walls?
Vertical Cracks in External Walls Vertical cracks usually occur in foundation walls when there is insufficient support below. The main reason for this lack of support is when the soil beneath the foundation has not been properly compacted and compresses or even washes away.
Is it normal for old houses to have cracks?
Why might your house have structural problems? Although a degree of movement is inevitable in an old house, cracks in the plasterwork or brickwork should not be ignored and neither should the maintenance issues that cause them.
What should I use to fill in cracks in my basement?
Even tree and plant roots have a way of finding their way through basement wall cracks. So, before finishing your basement—or even for an uninhabited but dry basement—one component of your waterproofing plan should be to repair cracks in the concrete walls. Uses elastomeric polymer-based liquid or paste to fill in the crack.