Drywall cracks can be dangerous, but not all of them signify serious structural damage. Understanding the different types of drywall cracks can help you determine whether you need minor repairs or to call in a professional. In this blog, we’ll dive into five common types of drywall cracks—what causes them, what they might mean for your home, and how to address them.
5 Types Of Drywall Cracks
Drywall cracks come in various forms, each with its own underlying cause and implications. But why does drywall crack in the first place? From minor hairline fractures to more significant structural issues, understanding the causes and types of cracks can help determine whether simple repairs are needed or if more extensive action is required. Here’s a breakdown of the different types of drywall cracks and what they mean for your home.
1. Horizontal Cracks in Drywall
Horizontal cracks in drywall are often seen as more serious than other types of cracks because they can indicate foundation problems. These cracks usually run parallel to the ground and are often caused by shifting soil beneath your home’s foundation. Poor soil conditions or water damage from flooding can create instability, causing the foundation to move and stress the walls, leading to horizontal cracks. In some cases, these cracks are simply due to drywall drying and shrinking post-installation. However, if you notice sudden horizontal cracks appearing, it’s crucial to have the foundation inspected by a professional.
What You Should Do: If the crack appears shortly after new construction, it might just be the result of material settling. However, if the crack is new or grows over time, it’s best to contact a professional to evaluate your foundation. Addressing potential foundation issues early can prevent more extensive (and expensive) repairs down the line.
2. Vertical Cracks in Drywall
Vertical cracks in drywall typically run up and down the wall and can vary in severity. Most vertical drywall cracks are benign, often caused by normal settling of the home as it adjusts to its environment. These cracks usually form along the drywall seams where two panels meet and are generally easy to repair. A vertical crack in drywall may also result from slight shifting within the structure, which is common and often nothing to worry about. However, if vertical drywall cracks are wide or repeatedly reappear after repairs, there could be a more significant underlying issue, such as structural movement.
What You Should Do: For small, hairline vertical cracks, a quick fix with some joint compound and drywall sanding will typically resolve the issue. However, if these cracks continue to reappear after repair, or if they seem to be widening over time, it may be worth consulting a structural engineer to ensure there are no deeper problems at play.
3. Spiderweb Cracks
Spiderweb cracks are so named because of their distinctive, web-like appearance. These cracks radiate out from a central point and can branch out in many directions. Spiderweb cracks are often a result of improper drywall installation or excessive stress during the drying process. In particular, when too much compound is applied to one area of drywall, it can create a thick layer that shrinks as it dries, leading to small, web-like cracks. Smaller spiderweb cracks aren’t usually cause for concern, and they can often be easily fixed. However, larger spiderweb cracks can indicate foundation issues or significant structural stress.
What You Should Do: If the cracks are small and superficial, a simple repair—sanding down the affected area and applying a new coat of compound—should suffice. However, if the cracks are larger and more extensive, especially in older homes, it’s a good idea to have the area inspected by a professional to rule out foundational or structural issues.
4. Jagged Cracks
Jagged cracks in drywall are less common but more concerning when they appear. These cracks are characterized by their uneven, often sharp angles, which can indicate significant structural movement in the home. They are often a sign of foundational shifting and settling, which could lead to more extensive damage if left untreated. Jagged cracks that follow irregular patterns across the wall suggest that the underlying materials are moving unevenly. This type of crack should never be ignored, as it can indicate serious problems with the home’s structural integrity.
What You Should Do: If you notice jagged cracks in your drywall, it’s best to call a professional immediately. These cracks are often signs of underlying problems that could worsen over time. A professional can assess the severity of the crack and determine if it’s related to foundational issues or other structural concerns.
5. Brown or Yellow Cracks
Brown or yellow cracks in drywall almost always indicate water damage. When drywall is exposed to moisture, whether from a leaky roof, pipe, or even high humidity, it begins to weaken and discolor. The brown or yellow staining often appears alongside cracks, signifying that water has penetrated the surface and compromised the drywall. These types of cracks are common near bathrooms, kitchens, or any area prone to moisture. Ignoring these cracks can lead to mold growth and further deterioration of the drywall.
What You Should Do: The first step in addressing brown or yellow cracks is identifying and stopping the source of the water damage. Once the leak or moisture issue is resolved, you’ll need to replace the damaged drywall and address any mold or mildew concerns. Repairing water-damaged drywall often involves cutting out the compromised section and replacing it with new, dry material, followed by sealing and finishing the surface.
Final Thoughts
Understanding the different types of drywall cracks and what they mean can help you determine the best course of action. While minor cracks like small vertical drywall cracks or spiderweb cracks may be easy to fix on your own, more serious cracks—such as horizontal cracks in drywall or jagged cracks—require professional attention. It’s always better to address these issues early to prevent more extensive damage to your home. If you need drywall repair or inspection, ROA Drywall is here to help. With years of experience in diagnosing and fixing drywall issues, our team ensures that your home remains safe, secure, and free of unsightly cracks.For reliable drywall repair services and expert advice, contact ROA Drywall today! Whether it’s a small crack or a significant structural issue, we’ll get your walls back in shape.