Cement Board vs Drywall: How to Make the Right Choice

Introduction

When you renovate your home, choosing the right materials is important. This choice helps ensure your space lasts and works well over time. The two most commonly debated materials for wall installations are cement board vs drywall. Both have distinct advantages and drawbacks depending on the application, particularly in areas exposed to high levels of moisture.

This is especially important in environments such as bathrooms, kitchens, and other wet spaces. The right material choice can impact the quality and longevity of your renovation. In this article, we will explain the main differences between cement board and drywall. We will give you the information you need to make the best choice for your project.

What is Cement Board?

Cement board is a composite material made from a mixture of cement, sand, and reinforcing fibers, such as fiberglass. These components give cement board exceptional durability and resistance to moisture. Contractors often use cement board as a base layer for tile, stone, and other water-resistant materials. This is especially true in wet areas like bathrooms and kitchens.

The board stops water from getting in. It also lowers the chance of mold and rot. This makes it a great choice for areas with humidity and water.

Its ability to resist water and fire makes it exceptionally strong. It also fights off termites and other pests, which adds to its value. While it is harder to cut and install than drywall, its long-term performance in wet areas makes the extra effort worth it. People often use cement board in external applications and areas prone to harsh conditions.

What is Drywall?

Drywall, also known as gypsum board, is a lightweight building material made from gypsum plaster and encased in paper. A common material used for creating interior walls and ceilings in both residential and commercial properties is drywall.

Drywall is popular because it is easy to install and affordable. It also has a smooth finish. This makes it a great choice for dry areas like living rooms, bedrooms, and hallways.

However, one significant downside to drywall is its limited resistance to moisture. Drywall works well for many uses, but it is not the best choice for wet areas. This includes bathrooms and kitchens, unless they have moisture-resistant coatings or greenboard.

Without these treatments, drywall can break down when it gets wet. This can cause mold to grow and weaken the structure over time.

Building materials: WBDG—Whole Building Design Guide

Key Differences Between Cement Board and Drywall

Moisture Resistance

One of the primary benefits of cement board is its superior moisture resistance. It is made to resist long-term water exposure without breaking down. This makes it perfect for bathrooms and wet areas.

On the other hand, drywall, which is not as resistant to moisture, can warp, sag, or crumble when exposed to water over time. This makes cement board a far better option for high-moisture environments such as bathrooms, showers, and kitchens.

Fire Resistance

Cement board offers higher fire resistance compared to drywall. Cement board does not burn, making it an important material in fire-rated assemblies. It adds an extra layer of safety.

Drywall, while it does have fire-resistant properties, cannot match the fire resistance of cement board. For areas that require added protection from fire, cement board should be the material of choice.

Strength and Durability

People know cement board for its strength and durability. It can support heavier loads, making it ideal for installations involving heavy tiles or stone. Cement board is also resistant to cracking and warping over time, ensuring that your installation remains stable and intact.

In contrast, drywall is less durable and more prone to damage. It’s better suited for interior applications that do not require heavy-duty support. Drywall can be easily damaged by impact. This limits its use in places where it may face stress or pressure.

Building Safety Knowledge: NFPA (National Fire Protection Association)

Cement Board vs Drywall for a Bathroom

In bathroom renovations, the material’s moisture resistance is of utmost importance. In wet environments like bathrooms and showers, cement board is the best choice. Engineers design it to handle high humidity and moisture. This keeps your wall structure safe from mold and mildew.

Although you can treat drywall to resist moisture, it remains less effective than cement board when exposed to constant water.

For shower areas and around bathtubs, cement board is the most reliable material. Its moisture-resistant properties prevent the growth of mold, which is a serious concern in damp spaces. You can use drywall in dry areas of the bathroom, like the ceiling. However, for walls in wet areas, use cement board instead.

Cost Considerations

Cement board generally costs more than drywall and requires a more intricate installation process. However, its benefits, such as moisture resistance, fire resistance, and long-term durability, make it a worthwhile investment, particularly in wet environments. While the initial cost may be higher, the durability of cement board can save you from costly repairs and replacements in the future.

On the other hand, drywall is much more affordable and easier to install. For general interior walls, drywall is the more cost-effective choice. However, if you are working in areas prone to high moisture, the additional cost of using cement board could be a smart decision to prevent future issues like mold or structural damage.

Conclusion

The choice between cement board vs drywall comes down to the specific needs of your project. For wet areas like bathrooms and kitchens, cement board is the superior option due to its moisture resistance, strength, and durability. It is more expensive and harder to install but offers significant long-term value, especially in areas that are frequently exposed to water. For dry areas, drywall is the more budget-friendly and easier-to-install option, ideal for general interior walls and ceilings.

By understanding the differences between these two materials, you can make an informed decision that best suits your renovation needs, ensuring that your space remains durable, safe, and visually appealing for years to come.

About JOINBLING^®

JOINBLING® is a professional manufacturer specializing in cement board for international markets. If you’re looking for expert advice or high-quality materials, feel free to contact us to learn more.