Is purple sheetrock waterproof
Isabella Wilson
Published Mar 22, 2026
While all drywall is naturally fire-resistant, PURPLE drywall is unique because it also resists moisture, mold and mildew. Some PURPLE drywall products also stand up to scratches, scuffs, dents and sound. This means added value and peace of mind regardless of steamy showers, roughhousing kids or band practice.
Can I use purple Sheetrock in a 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.
Can Sheetrock be waterproof?
Can You Make Drywall Waterproof? Yes, you can make drywall pretty much waterproof if you coat it on all sides and edges with water-based urethane before you install it. After it’s installed and finished, then coat it two more times.
What is the purple drywall used for?
Purple. Purple drywall resists moisture, mold and mildew. In addition, Purple drywall also resists scratches , scuffs and dents so it’s good choice for high-traffic areas.Is purple drywall water resistant?
Our most versatile drywall product, PURPLE XP® Drywall is moisture-, mold- and mildew-resistant and ideal for almost every room in the home.
Where should you use purple drywall?
Purple Drywall It can be used with all wall and ceiling applications and is ideally suited where enhanced moisture and mold resistance is desired. If it is going to be in contact with water, this is the one to use.
What kind of drywall do you use in a bathroom shower?
Greenboard Drywall Definition Cement backer board such as Durock is best used for tile in highly wet applications such as shower stalls, with greenboard and other water-resistant drywall panels kept only to high-humidity areas. Greenboard’s paper facing alone does not inhibit mold growth.
What is waterproof drywall?
Water-resistant drywall has been around for more than 25 years. It is known in the trade as greenboard because of its green paper facing. It is a great product when used exactly as it was designed to be used. I have had great success using greenboard behind sinks and toilets and on walls with ceramic-tile backsplashes.What color is waterproof Sheetrock?
Green Board Drywall This type of drywall is also commonly referred to as the moisture resistant drywall. It has a green cover which makes it repel more moisture than the regular drywall.
Whats better green or purple drywall?“Green drywall (also known as greenboard) is only moisture-resistant. PURPLE®drywall, only made by National Gypsum, is superior because it offers moisture, mold and mildew resistance. In addition, many PURPLE® drywall products offer added benefits, including resistance to scratches, scuffs, dents and sound.
Article first time published onWhat can I use to waterproof Sheetrock?
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.
Can Sheetrock be used outside?
Fiberglass-Faced Gypsum Sheathing helps exterior walls resist air, water and noise infiltration. Exterior Gypsum Sheathing is a special-purpose drywall panel consisting of a moisture-resistant, noncombustible core covered by glass-mat facers on both front and back surfaces and long edges.
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.
What kind of drywall do you use in a 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 material is used behind shower walls?
Install cement board behind tub and shower enclosures. Install cement board or an equivalent moisture-resistant backing material on walls behind tub and shower enclosures composed of tile or panel assemblies with caulked joints.
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.
What is the best type of drywall to use in a bathroom?
Of the variants we’ve looked at so far, cement, green, blue, purple, and paperless sheetrock are the preferred types for your bathroom. This is because they resist mold and mildew. Be careful though, because while these boards can withstand water better than whiteboard, they’re not completely waterproof.
What's the difference between blue and purple drywall?
Blue Board Drywall- Blue board drywall is another moisture resistant drywall that is used for veneer plastering. It has high water and mold resistance as well as unique absorption qualities. … Purple Drywall- If there are areas where water contact will occur, purple drywall is a good choice to use.
Is it OK to use regular drywall in bathroom?
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.
Is there a waterproof paint for shower walls?
USG DUROCK Liquid Waterproofing Membrane – Waterproof Paint for Shower Walls. Waterproof membranes are excellent for coating and sealing the shower tiles. USG DUROCK is such efficient acrylic polymer-based membrane for any bathroom or shower floor and wall.
Is purple drywall stronger?
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.
How much does Purple drywall cost?
Purple Drywall Prices Purple drywall costs $15 to $60 per panel. This range depends on the product, made by National Gypsum. The lower end resists mold and mildew better than green board. That makes it ideal for places that may get wet, like the basement or bathroom.
How do I protect my garage drywall?
The best answer for waterproof garage walls is to install Trusscore Wall&CeilingBoard. Trusscore Wall&CeilingBoard is a drywall replacement made from PVC. It sheds water and installs in a way that creates a waterproof barrier between wet and moisture and a garage wall’s interior studs and roof trusses.
What insulation is waterproof?
Foam board insulation doesn’t absorb water, which essentially limits the amount of moisture build-up in your insulation. Polyiso and extruded polystyrene foam boards have the strongest waterproof properties.
What's the difference in sheetrock and drywall?
Drywall is a flat panel made of gypsum plaster sandwiched in between two sheets of thick paper. It adheres to metal or wood studs using nails or screws. Sheetrock is a specific brand of drywall sheet. These terms are often used interchangeably.
How long will drywall last outside?
Plaster and/or drywall walls and ceilings have an expected life span as long as 70 years but as short as 30 years. Water leaking in from the roof or exterior walls can greatly reduce the life of plaster and drywall and cause cracks and defects.
Can drywall be used on porch ceiling?
A porch ceiling isn’t exactly exposed to the elements, but it must withstand more environmental adversity than an indoor ceiling. Drywall is almost never a good choice, nor is unfinished hardboard or any other highly absorbent material.
Can I use green board outside?
Greenboard drywall isn’t designed to line the inside of showers or for use in environments exposed to outdoor weather. It’s the type of stuff that you want to use down in your basement or another part of your home that’s exposed to more humidity and moisture in the air.
Can you paint drywall for a shower?
Drywall can be primed and painted to be waterproof. … These materials can be used to make your drywalling projects in basements, bathrooms and other potentially humid rooms waterproof so you don’t have to spend extra money on pretreated drywall.
Is drywall OK for shower ceiling?
Drywall and Greenboard Drywall can be used above the non-tub and shower areas of your bathroom. However, some areas of your bathroom that are exposed to water and moisture such as the expanse just above the shower will necessitate the use of greenboard or drywall that is properly moisture resistant.
How do you fix water damaged drywall in the shower?
- Step 1: Remove the tiles from the affected area. …
- Step 2: Remove the base or shoe trim. …
- Step 3: Locate the next closet stud. …
- Step 4: Cut out the damaged drywall. …
- Step 5: Replace rotted studs. …
- Step 6: Replace the removed drywall. …
- Step 7: Fill in screw holes and seams.