Structural and Non-Structural Cracks: Know the Difference
Cracks in a building's foundation can be alarming for any homeowner. While not all cracks cause panic, some can signal serious structural problems. Differentiating between structural and non-structural cracks is crucial in determining whether your home needs simple maintenance or urgent repair.
What Are Structural Cracks?
Structural cracks are more than surface imperfections. They may indicate underlying problems with the building's support system. These cracks usually occur when the foundation shifts due to:
Uneven settlement
Expansive or shifting soil
Poor construction or design
Excessive structural load
Key Features of Structural Cracks:
Wide or widening over time
Diagonal or stair-step patterns, particularly in brick or block walls
Cracks running through the foundation or load-bearing walls
Associated signs like jammed doors, cracked ceilings, or sloping floors
Because these cracks can weaken your foundation over time, they should never be ignored. If left unaddressed, they may lead to expensive structural damage and potentially compromise your home's safety.
What Are Non-Structural Cracks?
Non-structural cracks usually affect appearance rather than stability. They often form part of the natural aging or drying process of materials. These cracks may be caused by:
Shrinkage of concrete as it cures
Seasonal temperature changes
Minor settlement that does not affect the load-bearing capacity
Common Traits of Non-Structural Cracks:
Thin, hairline appearance
Do not grow significantly over time
Typically vertical or horizontal
Found in plaster, drywall, or concrete surfaces
While not structurally harmful, non-structural cracks can still let in moisture, potentially causing mold, mildew, or unsightly stains over time. Sealing them early can prevent more extensive cosmetic or moisture-related issues.
Why You Should Take Foundation Cracks Seriously
Whether structural or not, foundation cracks deserve attention. Structural cracks can compromise safety, while non-structural ones can damage moisture if ignored. Regular inspections and early intervention are the best ways to protect your home and wallet.
Trust Spohr's to Keep Your Foundation Strong
Don't let foundation cracks compromise your home's safety and value. Whether dealing with minor surface cracks or serious structural issues, Spohr's Wet Basement Solutions offers expert inspection, repair, and waterproofing services you can trust. Reach out now for a professional assessment and get the peace of mind your home deserves.