The Best Drywall for Shower Tile Installation: Ensuring Durability and Moisture Resistance
When it comes to installing shower tiles, the type of drywall used can make a significant difference in the longevity and appearance of your bathroom. In this article, we will explore the most suitable options for ensuring a durable and moisture-resistant installation. Whether you are a DIY enthusiast or a professional contractor, choosing the right drywall is a crucial step in achieving a flawless shower setup.
Introduction to Drywall Options for Shower Installations
Correctly choosing the right drywall for shower tiles is essential to prevent moisture damage and ensure a long-lasting shower area. Drywall materials come in various types, each with its own advantages and limitations, especially in wet areas such as bathrooms. Understanding these differences will help you make an informed decision and save you from potential maintenance issues down the line.
Cement Board: The Preferred Choice for Wet Areas
Cement board is the most recommended option for wet areas like showers. This type of drywall is water-resistant and provides a sturdy backing for tile. It is particularly effective in high-humidity environments because it does not deteriorate when exposed to moisture. This makes cement board an ideal choice for shower walls where direct water exposure is a constant threat.
Green Board Moisture-Resistant Gypsum Board: A Secondary Option
Green board (moisture-resistant gypsum board) is another suitable option for areas with occasional moisture, such as bathroom walls that do not directly face the shower. While it offers better resistance to moisture than regular gypsum board, it is not as effective as cement board. Therefore, it is not recommended for actual shower walls where direct water exposure occurs. However, it can be a viable option for other areas in the bathroom that are susceptible to occasional moisture.
Water-Resistant Gypsum Board: A Less Effective Alternative
Water-resistant gypsum board is similar to green board and can be used in areas with high humidity. However, it should not be used where it will be directly exposed to water, such as shower walls. This type of drywall is designed to handle higher moisture levels than regular gypsum board but may still be susceptible to damage in direct water exposure areas.
Best Practices for Shower Drywall Installation
For shower walls, it is always recommended to use cement board to ensure the highest durability and prevent mold and mildew growth. In my experience, I use 1/2 inch cement board with a Red Guard film painted on to seal it tight. This method also works well for floors and adding weight with marble tiles. Moreover, it simplifies the process of achieving the right slope for shower drains.
Choosing the Right Tile Backer Board
When it comes to tile backer board, there are two main types: fiberglass reinforced wallboard and cementitious board. Most contractors prefer fiberglass as it is easier to cut and lighter. It is paperless and specifically made for tiling. If someone is telling you that greenboard is outdated, they might be right. Major manufacturers no longer produce greenboard, and any remaining stock is a local niche product and is not recommended for modern installations due to its poor performance.
When Drywall is Acceptable
Regular drywall is sufficient for all non-wet zones in bathrooms. However, if an inspection requires it, you can use drywall around the shower area, but it is advisable to remove it and replace it with waterproof concrete board (Wedi) or similar waterproof materials. Redguard should be applied twice to further enhance moisture resistance.
Using the right drywall for your shower tile installation is crucial for maintaining the longevity and beauty of your bathroom. By following these guidelines and choosing the appropriate drywall material, you can ensure a successful and moisture-resistant shower setup that will stand the test of time.