
08 May Water Resistant Wallboard Types Compared for Modern Homes
Table of Contents
Choosing the best water resistant wallboard is crucial. It protects walls from water damage and prevents costly repairs. Modern homes frequently face humidity or unexpected leaks, and durable water resistant wallboard ensures walls remain strong and long-lasting. Opting for water resistant materials reduces the need for repairs over time, safeguarding your home and increasing its value.
Key Takeaways
Pick water-resistant wallboards to stop moisture from ruining walls. This avoids expensive fixes and keeps walls sturdy.
There are different wallboards, like Green Board and Purple Board. They resist moisture differently. Choose based on how humid the area is.
Cement board works best in wet places like showers. It is waterproof and gives full water protection.
Trusscore Wall&CeilingBoard is easy to care for and resists water and mold. It’s great for bathrooms and basements with lots of moisture.
Think about your budget and how strong the wallboard is. Spending more on good wallboards can save repair costs later.
Understanding Water-Resistant Wallboards
What is a water-resistant wallboard?
A water-resistant wallboard is a special drywall that fights moisture. It stops water damage and stays strong in wet areas. Unlike regular drywall, it has a treated core and surface to block water. This makes it perfect for places like bathrooms, kitchens, and basements.
There are different types of water-resistant wallboards, each with special features. Some stop mold, while others use fiberglass for extra strength. Standards like mold-resistant gypsum wallboard (ASTM C1369) and glass mat water-resistant gypsum backing board (ASTM C1178) ensure quality. These standards check for mold resistance and water protection.
Here’s a simple look at the features of water-resistant wallboards:
Feature | Description |
---|---|
Mold Resistance | Scored 10 out of 10 per ASTM D3273 |
Core Composition | Fire-safe core with recycled paper |
Moisture Resistance | |
Applications | Great for wet spaces, easy to install, stylish |
Why is water resistance important in modern homes?
Water resistance keeps your home safe from moisture problems. Many modern homes have wet areas like showers, kitchens, and laundry rooms. Without moisture-resistant drywall, these spaces can grow mold and weaken over time.
Using water-resistant wallboards helps keep your home healthy. Mold-resistant panels meet ASTM D3273 standards, stopping mold even in damp spots. Options like green board or Sheetrock® Brand Humitek® Gypsum Panels are great for wet areas because they resist moisture well.
These wallboards also make your home stronger. They prevent expensive repairs caused by water damage. Picking the right water-resistant wallboard keeps your walls looking good and lasting longer, even in humid places.
Tip: Always choose moisture-resistant wallboards for bathrooms and basements. They give you better protection and peace of mind.
Types of Water-Resistant Wallboards and Their Features

Green Board
Green Board is a type of drywall with a green surface. This surface has a special coating that resists moisture. It works well in places like basements or bathroom walls without tiles. However, it is not waterproof. Avoid using it in areas with constant water, like showers.
Green Board has a treated gypsum core and moisture-resistant paper. These features make it somewhat water-resistant and fire-resistant. It is durable in humid spaces but not in very wet conditions. Green Board is a budget-friendly choice for areas with low moisture.
Note: Do not use Green Board in places with heavy water exposure.
Purple Board
Purple Board, also called Purple XP® Drywall, is highly water-resistant. It absorbs less than 5% water, making it great for damp areas. Its SPORGARD® technology stops mold from growing, keeping your home healthy. It also stays strong and does not change shape due to moisture.
Purple Board has a gypsum core that resists mold and moisture. It is wrapped in 100% recycled paper, making it durable and eco-friendly. This drywall is perfect for kitchens, bathrooms, and laundry rooms where water resistance is important.
Tip: Purple drywall is a strong and flexible choice for homes and businesses. Its coating ensures it lasts a long time.
Cement Board
Cement board is a tough wallboard made for wet areas. It is created from cement and fibers, making it waterproof and fire-resistant. It is ideal for tiled spaces like showers and tubs. Unlike Green Board, it does not soak up water, so it is great for waterproof needs.
Tests show cement board stays strong even after being wet for a long time. But, repeated wetting and drying can weaken it by 50%. Proper setup and care are important. Cement board costs more but is worth it for areas needing full water protection.
Study Focus | Findings |
---|---|
Moisture Saturation | Size and weight changes seen after 504 hours of water exposure. |
Composition Impact | Modified boards showed different levels of water damage resistance. |
Wet-Dry Cycling | Strength dropped by 50%, with larger cracks forming. |
Reminder: Cement board is heavy and needs careful handling. Use it where waterproofing is essential.
Magnesium Oxide Wallboard
Magnesium oxide wallboard, or MgO board, works well in wet areas. It resists water, mold, and mildew, making it great for bathrooms and kitchens. It can also act as a protective layer in ventilated facades. Its fire resistance adds safety, making it a smart choice for modern homes.
MgO boards are strong but lightweight. They handle water well, but in some climates, moisture may form on the surface. This could lead to mold growth if not managed. Even so, MgO boards are popular because they help reduce health risks from mold and mildew.
Key Benefits of Magnesium Oxide Wallboard:
Blocks water, mold, and mildew.
Ideal for wet spaces like kitchens and bathrooms.
Fire-resistant for extra safety.
Useful in ventilated facades for added protection.
Tip: Check your local climate before using MgO boards to ensure they work well.
Trusscore Wall&CeilingBoard
Trusscore Wall&CeilingBoard is a modern way to waterproof walls and ceilings. Made from PVC, it fully resists water, making it perfect for damp places like basements, bathrooms, and laundry rooms. Unlike regular drywall, it won’t swell, rot, or break down when wet.
This wallboard doesn’t need painting or sealing to stay waterproof. Its smooth surface stops mold and mildew from growing, keeping spaces clean and healthy. Trusscore Wall&CeilingBoard is also light and simple to install, saving time during renovations.
Why Choose Trusscore Wall&CeilingBoard?:
Fully waterproof for lasting moisture protection.
No upkeep needed to keep water resistance.
Stops mold and mildew in humid areas.
Strong PVC material that won’t rot or break.
Reminder: Trusscore Wall&CeilingBoard is a great choice for areas with water exposure, offering durability and peace of mind.
Plasterboard
Plasterboard is often used for indoor walls and ceilings. While not fully waterproof, thicker types resist water better. For instance, 12mm plasterboard absorbs less water (4.2%) than 9.5mm plasterboard (6.8%). This makes it better for places with light moisture.
Plasterboard is also strong, with thicker boards lasting longer. However, it’s not ideal for areas with constant water, like showers or outdoor spaces. Use it in dry rooms like living rooms or bedrooms for a smooth, stylish look.
Parameter | 9.5mm Value | 12mm Value |
---|---|---|
Water Absorption (%) | 6.8 | 4.2 |
Flexural Strength (N) | 560 | 700 |
Note: Use plasterboard in dry areas with little moisture to make it last longer.
Features, Benefits, and Limitations of Water-Resistant Wallboards
Green Board
Green Board is a drywall made to handle damp areas. It has a treated gypsum core and special paper to resist moisture. This makes it good for bathrooms, kitchens, and basements. However, it is not waterproof and should not be used in places like showers.
Benefits:
Green Board keeps walls safe from water damage.
It stops mold and mildew, improving air quality.
It is affordable, making it great for tight budgets.
Limitations:
Too much moisture can weaken its structure over time.
It does not resist fire, so avoid using it near heat.
It is not suitable for areas with constant water contact.
Tip: Use Green Board in humid spaces, but not in showers or outdoors.
Purple Board
Purple Board, also called Purple XP drywall, is better than Green Board for moisture resistance. It uses SPORGARD® technology to block mold and mildew. This makes it a great choice for damp places like kitchens, bathrooms, and laundry rooms.
Benefits:
Purple Board absorbs very little water, lasting longer in wet areas.
It prevents mold, keeping your home cleaner and healthier.
Its recycled paper wrapping makes it eco-friendly and durable.
Limitations:
It resists moisture but is not fully waterproof.
Purple Board costs more than other moisture-resistant options.
Reminder: Purple Board works well for homes and businesses needing strong, moisture-resistant walls.
Cement Board
Cement Board is a tough material made for very wet spaces. It is made from cement and fibers, making it waterproof and fire-resistant. It is perfect for tiled areas like showers and tubs.
Benefits:
Cement Board stays strong even after long water exposure.
It blocks mold and mildew, keeping wet areas clean.
Its fire resistance adds extra safety to your home.
Limitations:
Cement Board is heavy and hard to install without care.
Repeated wetting and drying can cause cracks over time.
It costs more than other moisture-resistant wallboards.
Note: Cement Board is the best option for spaces needing full waterproofing, like showers or outdoor kitchens.
Magnesium Oxide Wallboard
Magnesium oxide wallboard, also called MgO board, is great for wet areas. It stops mold and works well in kitchens and bathrooms. Its fire-resistant feature makes it a safe pick for homes. But, you should know its limits before using it.
MgO boards handle water well, but high humidity can cause trouble. In humid places, water drops might form on the surface. This can lead to mold and rust on nearby metal parts. Some places, like Denmark, even banned it because of water damage and salty leaks. Still, MgO boards are liked for being light and reducing mold risks.
Before picking MgO boards, think about your local weather and home needs. Installing and caring for them properly can help avoid problems and make them work better.
Trusscore Wall&CeilingBoard
Trusscore Wall&CeilingBoard is a smart choice for waterproof walls and ceilings. Made from PVC, it’s strong and resists water in damp spots like bathrooms and basements. Unlike other materials, it won’t swell or rot when wet.
This board stops mold and mildew, keeping spaces clean. Its smooth surface blocks mold, and it resists scratches and dents. You don’t need to paint or seal it, saving time during setup and care.
If you want a tough, easy-to-maintain option, Trusscore Wall&CeilingBoard is perfect. Its water-blocking design makes it great for places with lots of moisture.
Plasterboard
Plasterboard is often used for indoor walls and ceilings. While not fully waterproof, some types work well in slightly damp areas like kitchens. Thicker plasterboards resist water better than thinner ones.
Plasterboard has many benefits. It reduces noise, controls dampness, and gives a smooth surface for decorating. It’s also fire-resistant, making it safer for homes. Its flexibility and easy setup make it popular with builders and DIYers.
However, plasterboard isn’t good for places with constant water, like showers. Use it in dry or lightly damp areas to make it last longer and stay strong.
Advantage | Description |
---|---|
Fire Resistant | Adds safety by resisting fire in key areas. |
Works well in kitchens and bathrooms with light dampness. | |
Sound Resistant | Helps block noise between rooms. |
Vapour Resistant | Controls dampness and prevents condensation. |
Smooth Finish | Ready for painting or decorating. |
Versatility | Works for walls and ceilings in many spaces. |
Ease of Installation | Simple to cut and install, great for DIY projects. |
Tip: Pick thicker plasterboard for better water resistance in damp spaces.
Comparing Water-Resistant Wallboards

Moisture resistance
Picking a wallboard with good moisture resistance is key. It stops water from soaking in, preventing mold and damage. Products like Sheetrock® Brand Humitek® Gypsum Panels and Mold Tough® Panels are top choices for this.
Did you know? In 2003, USG launched Sheetrock® Brand Humitek® Gypsum Panels, changing moisture resistance standards. Later, Mold Tough® Panels improved this by stopping mold and boosting moisture protection.
Wallboards like Purple Board and Trusscore Wall&CeilingBoard work well in wet spaces. They keep walls dry and strong, even in humid areas like bathrooms and basements. Always check ASTM standards like C473 and D3273 to ensure the wallboard resists moisture properly.
Durability
Durability shows how well a wallboard handles wear over time. Strong wallboards resist scratches, dents, and impacts, making them great for busy areas. For example, Sheetrock® Brand Mold Tough® VHI Firecode® X Panels are highly impact-resistant and perfect for tough spaces.
Here’s a durability comparison for popular wallboards:
Product | Abrasion | Indentation | Soft-Body | Hard-Body |
---|---|---|---|---|
Sheetrock® Brand Mold Tough® AR Firecode® X | Level 21 | Level 1 | Level 2 | Level 1 |
Sheetrock® Brand Glass-Mat Panels Mold Tough® AR | Level 21 | Level 2 | Level 3 | Level 1 |
Sheetrock® Brand Mold Tough® VHI Firecode® X | Level 21 | Level 2 | Level 3 | Level 3 |
Fiberock® Brand Aqua-Tough™ AR Interior Panels | Level 11 | Level 1 | Level 2 | Level 1 |
Durable options like Cement Board and Magnesium Oxide Wallboard are great for tough conditions. They resist damage, last longer, and lower repair costs.
Ease of installation
Easy-to-install wallboards save time and effort. Lightweight boards are simple to cut and handle. Trusscore Wall&CeilingBoard, made of PVC, is a good example. Its light design and smooth surface make it perfect for DIY projects.
Standards like ASTM C473 and D3273 test water absorption and mold resistance during setup. These help you pick a wallboard that performs well. Follow manufacturer tips, like using proper tools and sealing edges, for better results.
Pro Tip: Read the manufacturer’s guide for installation tips. Proper setup improves durability and moisture resistance.
Maintenance requirements
Water-resistant wallboards are made to need less care. Each type has its own upkeep needs. For example, Trusscore Wall&CeilingBoard is very low-maintenance. Its PVC surface resists stains, scratches, and dents. You can clean it easily with a damp cloth. This makes it perfect for wet areas like bathrooms and basements.
Other wallboards, like cement board and magnesium oxide wallboard, need occasional checks. Look for cracks or damage, especially in places with frequent wetting and drying. Sealing them properly during setup helps reduce future repairs.
Here’s a simple maintenance comparison:
Aspect | Residential Impact | Commercial Impact |
---|---|---|
Replacement Frequency | N/A | |
Maintenance Needs | N/A | 22% reduced |
Price Premium | 15-20% higher | N/A |
Tip: Clean regularly and inspect for damage to make your wallboards last longer. This saves money over time.
Aesthetic options
Water-resistant wallboards come in many styles for modern homes. Trusscore Wall&CeilingBoard has a smooth, sleek finish. It fits well with modern designs and doesn’t need painting or sealing. Its clean look stays fresh over time.
Moisture-resistant gypsum boards also look great and work well in humid spaces. Additives make them stronger and water-resistant while keeping them stylish. These boards are ideal for kitchens and bathrooms where design and function are both important.
Did you know? Wallboards like Trusscore Wall&CeilingBoard stay attractive and resist moisture, making them a top choice for modern homes.
Cost considerations
Comparing costs is important when picking water-resistant wallboards. Trusscore Wall&CeilingBoard costs more upfront but saves money later. Its durable, easy-to-clean surface lowers cleaning and repair costs. This makes it a smart choice for wet areas.
Cement board and magnesium oxide wallboard are more expensive than regular drywall. However, they last longer and resist water better. These are great for heavy-use areas like showers or outdoor kitchens.
Green board and plasterboard are cheaper but may need replacing more often in wet spaces. Spending more on high-quality options like Trusscore Wall&CeilingBoard can save money on repairs in the long run.
Pro Tip: Think about both the initial price and long-term savings. High-quality wallboards often cost less over time because they last longer and need less care.
Choosing the Best Water-Resistant Wallboard for Your Home
Important things to think about (like location, budget, and style)
Picking the right water-resistant wallboard means checking a few key points. First, think about where it will go. Wet areas like bathrooms, basements, and kitchens need wallboards that handle moisture well. For example, green drywall is a cheaper choice for damp spots like basements or bathroom walls without much water contact. But it’s not good for places like showers where water splashes a lot. Its thickness, either ½” or 5/8”, also affects how strong it is and how easy it is to install.
Next, consider your budget. Green drywall costs less, but pricier options like purple drywall or Trusscore Wall&CeilingBoard offer better features. These include mold resistance and longer-lasting durability. While they cost more at first, they save money later by avoiding water damage and repairs.
Lastly, think about how it looks. Trusscore Wall&CeilingBoard has a smooth, modern design that fits stylish homes. It doesn’t need painting or sealing, making it both easy to use and attractive for wet areas.
Tip: Choose a wallboard that matches the room’s needs. This helps it last longer and work better.
Picking the best water-resistant wallboard depends on your needs. Each type has its own strengths. Green board works well in areas with little moisture. Trusscore Wall&CeilingBoard is perfect for fully wet spaces like basements. Cement board is very strong and great for tiled spots. Magnesium oxide wallboard adds safety with fire resistance. Think about your budget, where it will go, and how it looks. Trusscore Wall&CeilingBoard is stylish, easy to clean, and lasts a long time. It’s a great option for places with lots of water.
Tip: Check how wet the room gets and your future plans to pick the right wallboard.
FAQ
What’s the difference between water-resistant and waterproof wallboards?
Water-resistant wallboards stop moisture but not long water exposure. Waterproof wallboards, like Trusscore Wall&CeilingBoard, fully block water. They are best for wet places like showers or basements. Pick based on how much water the area gets.
Can water-resistant wallboards be used outside?
Most water-resistant wallboards, like Green Board or Purple Board, are not for outdoor use. For outside, use cement board or magnesium oxide wallboard. These are stronger and handle weather and water better.
How do you care for water-resistant wallboards?
Wipe water-resistant wallboards with a damp cloth to clean them. Check for cracks or damage often, especially in wet areas. Installing and sealing them properly helps them last longer and need less care.
Are water-resistant wallboards good for the environment?
Some wallboards, like Purple Board, use recycled materials, making them eco-friendly. Look for labels showing they are sustainable. Trusscore Wall&CeilingBoard is durable and reduces waste over time.
What’s the best wallboard for a bathroom remodel?
For bathrooms, use Purple Board or Trusscore Wall&CeilingBoard. Both resist water and mold well. Cement board is great for tiled spots like showers. Don’t use Green Board in very wet areas. Choose the right wallboard for your bathroom’s needs.