Where is moisture resistant drywall required?

When is Green Board Required by Code? Building codes will often dictate that water-resistant gypsum backing board (also known as green board) should be installed in bathrooms where moisture can find its way through tiles in tub and shower areas.

Do you have to use moisture resistant drywall in bathroom?





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. Greenboard weakens more than standard drywall does when it gets completely saturated.

Do I need moisture resistant drywall in basement?

Due to the often damp conditions of the basement, be sure to choose sheetrock that is at least moisture-resistant (often call greenboard) but be on the lookout for products that are specifically resistant to mold and mildew (some kinds of purple board).

Should I use mold and moisture resistant drywall?

Nor will it prevent mold in the case of flooding, when water saturates the drywall and the organic wood framing behind it. 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 you need special drywall for bathrooms?

Drywall for bathrooms has special moisture-, mold- and mildew-resistant qualities, but it’s not 100 percent waterproof. Tub and shower surrounds require the use of other materials like backer board, but it’s common to use green board or MMR drywall on the walls and ceilings.

Can I use green drywall in shower?





Green board can be used for showers, but it must have a waterproof membrane installed on top of it to make it waterproof. It’s best to use waterproof board for shower walls instead of drywall. Use green board for ceilings and non-shower walls in your bathroom.

Can I use purple drywall in shower?

Ensure your bathroom is an oasis, not a petri dish



In your bathroom, the forecast always calls for a chance of showers – or maybe a bubble bath. That’s why easy-to-install PURPLE XP® Drywall is moisture-, mold- and mildew-resistant, so you can keep walls and ceilings fresh and clean for years to come.

What type of drywall should be used in a shower?

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.

Is green board drywall waterproof?

Green board is water-resistant – it is not waterproof. Green board is highly efficient in bathrooms and kitchens, where moisture is frequently in the air, but it is not the drywall that should be set behind tile in your shower or any other areas where it can come in direct contact with water.

What is the difference between green and PURPLE Sheetrock?



What’s the difference between PURPLE drywall and traditional green drywall? Traditional green drywall (also known as greenboard) is only moisture-resistant. PURPLE drywall, manufactured only by Gold Bond Building Products, is superior because it offers moisture, mold and mildew resistance.

Do you need special drywall for basement?

Basement Board: This type of drywall, usually used in basements, has a standard core and mold-resistant face and back paper. It’s not as effective as standard mold and moisture-resistant drywall, but it’s less expensive.

What is purple Board drywall?

PURPLE XP® is a specially treated, mold- and fire-resistant paper-faced gypsum board that provides Xtra Protection (XP) against mold and mildew compared to standard gypsum board. The XP gypsum core is encased in heavy, mold-, mildew- and moisture-resistant, 100% recycled PURPLE paper on the face.

What kind of drywall goes behind a tub surround?



Don’t use paper-faced backer board, i.e., paper-faced drywall, behind seamed tub and shower enclosures. Use an alternate approved product such as fiber-cement, fiber-reinforced gypsum, glass mat gypsum, or fiber mat-reinforced cementitious backer panels.

What kind of drywall do you use in a bathroom ceiling?

Purple drywall is used in bathrooms and other areas prone to mildew, moisture and mold. The moisture-resistant core of purple drywall is sandwiched between recycled material that’s mold- resistant.

Can Greenboard be used on ceilings?

Conventional drywall is commonly used for ceilings in non-shower/tub areas of bathrooms, although some builders prefer to use moisture-resistant drywall — aka greenboard — instead. Moisture-resistant drywall is similar to standard drywall but has face paper that’s treated for extra resistance to mold and moisture.

Can you use PURPLE drywall on ceiling?

Besides its mold and mildew resistant properties, purple drywall is also fire-resistant. Ideal applications for purple drywall are around toilets, sinks, vanities and as a tile backer board for shower ceilings or kitchen/bathroom backsplashes.

Can you use blue board in a bathroom?



Quote from the video:
Quote from Youtube video: In today's episode of ardex senses we're going to be talking about blueboard. One of the most commonly asked questions we receive here at ardex is can i waterproof or can i tile to a blue board the

What is the difference between green and blue drywall?

Unlike the green board drywall, blue board works great in bathroom areas or places that get in contact with water. It is perfect for wet areas because it has great mold and water resistance qualities. It was not made for tape, mud or paint but it certainly does a good job at minimizing noise and offering low emissions.

What is the difference between drywall and green board?

Green board drywall, also known as moisture-resistant drywall, has a green covering that makes it more resistant to moisture than regular drywall. It is somewhat more expensive, but be aware that it is not waterproof, so don’t use it if it’s going to be in contact with water.