Analyzing Foundation Cracks

Analise your foundation before is too late! Here’s some tips:

Crack Appearance

Vertical or Diagonal Cracks in a foundation wall:

Cracks start at floor and run to ceiling. Cracks are wider at the top or the bottom.

Possible Cause

Vertical movement between the two pieces of foundation. Crack is the hinge. Poor fill, soil creep, erosion, etc. are possible causes.

Horizontal Crack in a foundation wall:

Commonly seen in concrete block walls. Crack is usually 4 to 5 feet off the floor.

Possible Cause

Poorly designed foundation wall. Wall is actually a retaining wall trying to hold back dirt from falling into basement. Can be fixed with beams or helical piers

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