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Case Study: Understanding Drywall and Brick Cracks in a Home Inspection


Understanding Drywall and Brick Cracks in a Home Inspection Homeworthy Engineering

Background

A homeowner in Huntersville, NC, reached out after noticing several cracks in their home’s drywall and brick exterior. They were concerned these cracks might indicate serious structural issues, especially after hearing creaking noises during a recent storm. With some cracks appearing larger than others, they wanted a professional opinion to determine if immediate action was necessary.


The Problem

During the inspection, we identified several types of cracks, each with different causes and implications:


  • Hairline cracks in drywall were primarily cosmetic, caused by normal settling and minor shifts in the home’s materials.

  • Diagonal cracks in drywall were wider in some areas, indicating potential stress from uneven settling or minor foundation movement.

  • Step cracks in the brick exterior followed the mortar joints and were attributed to natural expansion and contraction due to temperature changes.

  • Horizontal cracks spanning several bricks raised a red flag, as they often suggest foundation-related issues or wall bowing.


While not all the cracks posed an immediate risk, the horizontal cracks and diagonal drywall cracks warranted further investigation to rule out structural concerns.


Our Approach

To address the homeowner’s concerns, we conducted a thorough evaluation of the foundation and overall structural stability:


  1. Foundation Analysis

    Using a self-leveling laser and altimeter, we measured the elevations of floors and walls to check for uneven settling. This revealed minor shifts in the foundation that were manageable but required monitoring.


  2. Moisture Assessment

    A thermal-imaging camera and moisture meters helped us identify areas where water infiltration was contributing to soil expansion and contraction. Improper grading near the foundation and clogged gutters were the primary culprits.


  3. Crack Monitoring Plan

    We documented the cracks with detailed photographs and created a monitoring plan for the homeowner. This plan included tracking the width and length of cracks over six months to identify any progression.


  4. Preventative Recommendations

    To minimize further cracking, we recommended addressing moisture issues by improving the home’s drainage system. This included re-grading the landscaping, cleaning gutters, and extending downspouts.


The Results

After implementing these recommendations and monitoring the cracks, the homeowner observed the following:

  • The cracks remained stable, with no significant widening or new damage.

  • The home’s interior felt drier, thanks to improved drainage reducing moisture infiltration.

  • The homeowner gained peace of mind, knowing they had a clear plan to manage and prevent future issues.


Understanding Drywall and Brick Cracks in a Home Inspection

Key Takeaways

This case underscores the importance of understanding the different types of cracks and their implications. While some, like hairline and step cracks, are often harmless, others, such as wide horizontal cracks, can signal more serious concerns. Regular inspections, moisture management, and a monitoring plan can help homeowners address issues before they escalate.


What You Can Do

If you’ve noticed cracks in your drywall or brickwork and aren’t sure if they’re cause for concern, a professional assessment can provide clarity and guidance. At Homeworthy Engineering, we specialize in evaluating and addressing structural issues, ensuring your home stays safe and sound for years to come. Contact us today to schedule an inspection.

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