Table of Contents
Wet or dry, such backer board provides a stable base for tiling. It is best to use greenboard or other water-resistant drywall in the large areas of bathrooms, kitchens, and other areas where the drywall may be subjected to lightly damp conditions, humidity, and the occasional minor splashes of water.
What kind of drywall do you use in a shower?
Blueboard is a type of drywall that is frequently used for a tile wall in a shower. Not only is it water-resistant, but blueboard is easy to find and inexpensive, making it an ideal option for those on a budget.
Can you waterproof drywall for shower?
Drywall Shower Walls For example, Schluter approves their Kerdi Shower System over drywall in showers. So if you insist on tile over drywall in a shower then that’s how you “waterproof” drywall in a shower. Please keep in mind that liquid waterproofing products are not approved for this purpose.
Can moisture resistant drywall get wet?
Other damp areas, such as basements and garages, are also good places to use moisture/mold-resistant drywall. This drywall should not be used in a wet or high-moisture area, such as a shower enclosure or the wall just above a tub.
How do you waterproof drywall above a shower?
Prime the drywall with oil- or shellac-based primer. These coatings protect against moisture better than water-based primer, but they are noxious, so wear a respirator while using them. Spread the primer with a paintbrush or roller and let it dry before painting.
Is moisture-resistant drywall required by code?
Changes made to the 2006 International Residential Code (IRC) no longer recognize moisture-resistant, paper-faced drywall (commonly known as “green board”) as a suitable tile backing material in wet areas such as tub and showersurrounds.
What is the best backer board for a shower?
Cement board is a good, reliable backer board that works well on both floors and walls. Keep in mind that most tile setters err on the side of caution and brush a waterproofing membrane on top of cement board when it is in wet areas like showers or tub surrounds.
Should you moisture resistant drywall in bathroom?
Installing moisture resistant drywall in the bathroom can help prevent growth of mold. This type of drywall should however not be installed behind ceramic tiles. Regular drywall will not protect your property from water and mold damage. You will have to replace your cheap drywall if it’s exposed to moisture or mold.
What is the difference between moisture resistant and mold-resistant drywall?
Water-resistant drywall is commonly referred to as green board in the trade. However, mold-resistant drywall doesn’t have the paper facing and has fiberglass instead. Paper is an organic material that ultimately can become mold and mildew food.
Can moisture resistant drywall be used on ceilings?
Many local building inspectors will tell you to avoid putting water resistant drywall on your bathroom ceiling, and that’s actually for your own protection, even though using it that way may not be a problem. Since bathroom ceilings tend to collect a great deal of moisture this is a common weak point for the material.
Can regular drywall be used in bathrooms?
Regular Sheetrock is not a good option for bathrooms. It is not moisture-repellent and is designed to be porous, causing regular Sheetrock to absorb water. This can lead to water damage and mold growth in high-moisture rooms like bathrooms.
How do you make regular drywall moisture resistant?
The best way to waterproof your drywall is to use a waterproofing primer. You can find both oil- and latex-based waterproofing primers made by most paint manufacturers. These products are created specifically to prevent mold and mildew on the surface to which they are applied.
Is there mold-resistant drywall?
Modern mold-resistant drywall combines the moisture resistance of older green board with materials and engineering that also make it quite resistant to mold. But in rooms that experience frequent humidity and are often subject to mold and mildew, such as bathrooms or basements, mold-resistant drywall is a good choice.
Do I need to waterproof cement board in shower?
Whether you’re laying down a new tile floor or installing a shower, you may use a sheathing material such as backerboard. Although most backerboards currently available won’t fall apart when exposed to moisture and are somewhat water-resistant, they aren’t waterproof.
How thick should cement board be for shower walls?
The minimum recommended thickness for the shower wall is 1/2″ because like some of the other boards, they become far too flexible at thicknesses below 1/2″. Foam shower tile backer boards are generally about 4x the cost of cement board.
Do I need to waterproof shower walls before tiling?
Contrary to popular belief, ceramic tile and grout, by themselves are not waterproof. Water can penetrate through cement-based grout and work its way through the substrate. To prevent water damage, you must install a waterproof membrane just below the tile bonding mortar as close to the tile as possible.
Is mold resistant drywall worth it?
Mold-resistant drywall is a little more expensive than standard drywall, but the amount of money it can save you from having to repair mold damage is more than worth the cost – not to mention the health risks of mold buildup.
When should I use moisture resistant drywall?
It is best to use greenboard or other water-resistant drywall in the large areas of bathrooms, kitchens, and other areas where the drywall may be subjected to lightly damp conditions, humidity, and the occasional minor splashes of water.
What is the best drywall to use in a bathroom?
Green. Green drywall is a type of drywall that’s mold resistant and is used in applications where moisture can be an issue—so most commonly, bathrooms. To maximize the mold resistance, use mold-resistant drywall mud, aka joint compound. Green drywall generally costs about 20% more than regular drywall.
What type of drywall is moisture resistant?
Green board drywall, also known as moisture-resistant drywall, has a green covering that makes it more resistant to moisture than regular drywall.
Where should mold resistant drywall be used?
Mold and Moisture Resistant Drywall Applications Bathrooms. Utility rooms. Laundry rooms. Kitchens. Basements. Crawl spaces. Work-out rooms.
Do I need moisture resistant drywall in garage?
Climate Considerations. Standard drywall panels contain compressed particles of gypsum covered with thick paper. That’s fine in your home, but unless you’re finishing your garage as a living space, complete with insulation and a heat and air system, moisture-resistant drywall is preferable.
