Topic

Foundations

Which cracks are cosmetic, which need repair, and when to call a structural engineer.

Calculator · coming Mar 2027

Foundation crack checker

Crack direction, width, water and bowing → monitor, repair soon, or call a structural engineer.

Coming soon

Foundation Crack Repair: Which Cracks Matter

How to read a crack by its direction, width and growth.

Guides in this topic are being written and price-checked now. Titles become links as each one is published.

Quick check

How worried should you be?

Monitor

Hairline vertical cracks that are dry and not getting wider.

Fix soon

Cracks wider than 1/8 inch, stair-step cracks in block walls, or doors starting to stick.

Call a pro now

Horizontal cracks, walls bowing inward, or cracks that keep widening.