Knowledge Builders

what is green board drywall used for

by Arnoldo Kris Published 3 years ago Updated 2 years ago
image

Green board is a general term for drywall that can withstand high moisture or humidity. Although it is being phased out in modern construction, you might still come across it or need it for a project around the house. Green board is easier to install and less expensive than cement board alternatives.

Full Answer

Where should green board drywall be used?

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.

Is green board better than drywall?

Studies show that greenboard is actually weaker than standard drywall when it gets wet and the added thickness helps compensate for this. When installed properly the slightly weaker material isn't a problem at all and offers superior moisture resistance.

Should I use Greenboard in bathroom?

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.

What does green drywall do?

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.

Why is green board being phased out?

Green Board. Green board is a paper-backed, water-resistant drywall that has a light green "hospital" tint. It is an older form of water-resistant drywall that is gradually being phased out in favor of products that combine both moisture resistance and mold resistance.

Can you use green board instead of drywall?

Handyman, green board is typically recommended for use in place of drywall in areas that are exposed to some moisture. This includes green drywall for bathrooms (in indirect areas outside of the shower and bath), kitchens, basements and laundry rooms, for example.

Is PURPLE drywall better than green?

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.

Can you tile directly to green board?

You can safely install tile on top of green board, which is also known as water-resistant drywall. However, due to the waxy surface of green board it's essential to prepare the surface by skim coating and sealing it. If green board is not painted with sealer, tiles may fail to adhere to the green board.

Can you tile on Greenboard in a shower?

So what does all this mean? It means "Greenboard" can still be used in bathrooms (and other areas), it just cannot be used as a backer for tile in a shower or tub surround. It can be used in areas not subject to direct water exposure (tub/shower surround), and areas of noncontinuous high humidity (bathrooms).

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.

Should I use green board or cement board?

For bathroom applications, green board can be used on ceilings and walls where there is no direct water application, such as behind sinks and on bare walls. Only cement board can withstand the wear and tear of a shower or tub enclosure.

What kind of drywall goes over shower?

Bathroom drywall needs to be mold- and mildew-resistant. For the spaces around your bathtub and shower, other materials like backer board and green board work the best.

Do you need to waterproof green board?

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.

Can you use Greenboard in a 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.

Is purple drywall better than green?

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.

Is mold resistant drywall worth it?

Mold resistant drywall grows mold and mildew much slower than regular drywall, but it's only worth the investment if you install it in rooms that are most prone to damp problems and if you put preventative efforts into keeping your interior dry and moisture-free.

What is Green Board Drywall?

In the United States, green board is a mostly outdated term for water-resistant drywall with one side tinted green.

Do I really have to avoid green board for wet applications?

Technically, no. While some inspectors forbid it, water-resistant drywall like green board can be used in wet applications like shower areas or tub surrounds.

What to Use Other than Greenboard?

Perhaps one of the biggest sellers for green board is that the water resistant material is far cheaper than its waterproof counterparts.

What Is Green Board?

Green board—commonly referred to as a “water-resistant gypsum backing board”—is a type of drywall that has a greater resistance to moisture than traditional plasterboard drywall ( source ). It is commonly used in bathrooms and other areas that are susceptible to moisture.

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.

What is the STC rating for green board?

Sound attenuation is measured in sound transmission class, abbreviated STC. At an STC rating of 50, loud speech is not audible. Type X green board has been tested and shown that some products have a rating of up to 60 STC, making it a suitable material to help attenuate noise as required in some building codes.

What is the difference between green board and gypsum board?

The only significant difference that you will notice is a thick coating on the material protected by wax; this is the feature that makes this type of drywall resistant to moisture . Green board panels are also designed to be resistant to mold.

Why are green boards thicker?

In fact, the material will rapidly deteriorate if it is frequently exposed to water; this is the primary reason that their panels are made to be thicker.

What is the ASTM C1396?

Per the American Society for Testing & Materials code ASTM C1396, a “water-resistant gypsum backing board is to be used as a base for the application of ceramic or plastic tiles on walls or ceilings” (Source: City of Philadelphia ).

Why is it important to install green boards?

Proper installation of your green boards is critical for them green boards to serve their purpose adequately. At the end of the installation process, you may notice that there are edges and openings left in your layer of green boards.

What type of drywall is used for bathroom plastering?

Sometypes of drywall for bathroom useare paperless drywall and blue board drywall used for veneer plastering. There is also purple and green board drywall which we will be discussing in this blog.

Why is drywall green?

First, it helps it distinguish from other kinds of boards. The second reason is that it allows contractors determine where to apply the drywall compound in the installation process.

What is moisture resistant drywall?

But, the difference is that it has a thicker paper coating with a wax covering for water resistance. You should consider this type of drywall in areas with high levels of moisture or humidity.

Where is Lion Painting and Drywall located?

Lion Painting and Drywall was founded in Arden, North Carolina. With 16 years of experience our experts have focused in delivering exceptional painting solutions.

Is purple drywall good for fire?

Purple drywall offers the same advantages as regular drywall, such as a good fire rating. But, it goes above and beyond as it also has moisture and mold-resistant characteristics.

Can you mix waterproof drywall with moisture resistant drywall?

However, don’t mix moisture-resistant drywall with waterproof drywall as they are not the same.

Is green board drywall water resistant?

Green board drywall used to be known as water-resistant drywall. But, this term became outdated several years ago since other Sheetrock panels offer this feature. This drywall type is resistant to moisture, so it works great in areas with low humidity levels.

What are the different types of drywall?

Drywalls also go by different names, some of these names being: Gyp Board, Wallboard, Plaster Board, Sheetrock, Gypsum Board or Drywall.

What is soundproof drywall?

It is normally used in places where noise is an issue. It’s consists of a laminated drywall built with a blend of gypsum, wood fibers, and polymers boosting the Sound Transmission Class. Soundproof drywall may be a little bit difficult to cut as it is denser than the regular wall. Contact a reputable drywall supplier Toronto today by getting in touch with Bernardi Building Supplies anytime you need a drywall installed.

What is paperless drywall?

Paperless Drywall. Paperless drywall has a covering of fiberglass rather than paper. In fact, over the years, paperless drywall has slowly been substituting paper drywall in the market. This is because it grants greater resistance to mildew and mold, plus it shields the gypsum board from blight.

What is fire resistant drywall?

Fire-resistant drywall, as it’s so-called, constitutes unique noncombustible fibers. It is usually used in apartment buildings, rooms and garages because it’s a requirement in numerous building codes. It comes in 5/8” thickness and this extra thickness enhances its noise-proofing characteristics.

What is white board?

White Board or Regular Drywall. White board is usually white on one side and brown on the other. It comes in different sizes varying from 3/8 to 1 inch and is mostly available in the form of 4*8 boards.

Can purple drywall be used on ceilings?

Purple drywall can be set up on all ceiling and wall applications as well as in areas with high levels of moisture. Due to its improved moisture resistance, this drywall becomes favorable in areas prone to mold and moisture.

Is green board waterproof?

Note that green board is not waterproof, so ensure that it is not set up in a place where it is going to be near water. You can use it as a tile backer in areas with minimal wetness e.g. basement areas, kitchens, laundry and utility rooms.

What is blue board?

In many ways, blue board is just like drywall but it is of a much higher quality. It’s available in the same sizes and can be treated in the same way when it comes to cutting and fastening into studs. At its core, it’s exactly the same but treated with gypsum. The main difference is in the blue covering, which is where blue board gets its name. It not only looks different, but it actually is a different composition. It’s specially treated so that plaster that’s formulated for it adheres better.

How thick is blue board?

Instead, it only needs plaster and tape on the seams followed by a thin coat of the plaster no more than 1/8 of an inch thick. Blue board is also much better than regular drywall at eliminating issues like dents and paint problems.

How much more expensive is blue board than drywall?

It should be noted that blue board can cost 20% more than regular drywall and it takes skill and practice in order to use the special plaster properly (the plaster is also more costly than regular joint compound).

Is greenboard good for a basement?

It’s good for bathrooms, kitchens, and all kind of damp applications. Greenboard will do very well in a basement, for example, which can easily become damp. It will prevent moisture from entering the drywall and can cut down on the possibility of mold and mildew in the basement.

Is greenboard drywall thicker than regular drywall?

It costs more than regular drywall and its thickness means it needs to be used next to the thickest form of regular drywall. Also, since it's more expensive than regular drywall, it should only be used where appropriate to cut down on extra costs. Greenboard is also very much like traditional drywall.

Is greenboard blue board?

Gabriel Connor Salter. on Nov 12, 2020. Greenboard and blue board are both types of drywall but they are very different in terms of functionality. Many people haven’t heard of either, but it’s very worthwhile knowing about them both.

Can you use greenboard on shower walls?

You shouldn’t use greenboard for shower walls even with tile on top. If the green covering becomes soaked, water will seep through into the gypsum and it will disintegrate. There are ways that it can be used, but it is better not to take the risk if you can't be completely confident with the results. Board And Batten.

What is cement board?

Cement board is sometimes called Durock, Wonderboard, and Hardibacker. It is used for wet applications in tubs walls, shower walls, and floors. It’s a cement based product with a mesh glass underlayment in it which makes it waterproof and very durable.

Why do you not want to use green board in a tub?

You do not want to use green board on the tub/shower walls because if the grout or caulk should fail, the paper that lines the green board is only moisture resistant.

What happens if water gets into gypsum?

Should the water get to the gypsum part of the wall, this will eventually lead to water damage, and tiles potentially falling off the wall. Additionally, green board is wrapped in paper, which is an organic product.

Can grout rot in a bathroom?

Should the grout or caulk fail, the wall is waterproof, and therefore cannot rot and since there is no paper, there is no mold hazard either. So, remember green board for damp areas but cement board for all areas that could possible come in direct contact with water to ensure the longest life of your bath and tile needs.

Can green board be used in a bathroom?

Structural damage could even potentially occur if not corrected in time. So, again green board is generally used for the walls in the bathroom that will not come in direct contact to water. Cement board is sometimes called Durock, ...

image

1.What Is Greenboard Drywall? - The Spruce

Url:https://www.thespruce.com/what-is-greenboard-drywall-1822831

3 hours ago Green board is a drywall product with a gypsum core, wrapped in green paper on one side. The product initially came out in the 1960s and was used as a direct backer for tiles in water …

2.Green board: The Basics of Water-Resistant Drywall

Url:https://drywallinsider.com/green-board-water-resistant-drywall/

22 hours ago Green board – so called because of the distinctive green color of its paper backing – is a variety of moisture-resistant drywall board that’s been available since the 1960s. It is similar to …

3.Videos of What Is Green Board Drywall Used For

Url:/videos/search?q=what+is+green+board+drywall+used+for&qpvt=what+is+green+board+drywall+used+for&FORM=VDRE

8 hours ago Greenboard is a term that’s occasionally used for a type of drywall that is used for walls in damp but not wet zones in a building. Originally, greenboard was used as a direct backer board for …

4.Is Green Board Required by Building Codes? - Home …

Url:https://homeefficiencyguide.com/green-board-and-building-codes/

29 hours ago  · Diffe Types Of Drywall Explained Meeks. What Is Greenboard Water Resistant Drywall. 9 Diffe Types Of Drywall And Uses Vinawood Leading Vietnam Plywood Producer …

5.Purple Board vs Green Board: Which Type of Drywall Is …

Url:https://www.lionpaintinganddrywallservices.com/purple-vs-green-board/

16 hours ago It has a green cover which makes it repel more moisture than the regular drywall. Note that green board is not waterproof, so ensure that it is not set up in a place where it is going to be near …

6.7 Drywall Types, Applications and Uses: Purple, Green, …

Url:https://bernardibuildingsupply.com/acoustical-drywall-supplies-toronto/7-drywall-types-applications-and-uses-purple-green-blue-or-white/

1 hours ago Green board is a type of drywall that is commonly used in bathrooms. It is moisture and mold resistant, but not waterproof. Green board is used mostly for damp environments, but not to be …

7.Greenboard vs Blue Board | DoItYourself.com

Url:https://www.doityourself.com/stry/greenboard-vs-blueboard

7 hours ago

8.Why Cement Board over Green board for Bathrooms?

Url:https://www.marylandbathroom.com/cement-board-over-green-board/

9 hours ago

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1 2 3 4 5 6 7 8 9