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Make sure your bathroom
is an oasis, not a petri dish.

Protect your walls against mold and moisture.

Discover refreshing solutions for bathrooms and other high-moisture spaces.

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. In wet areas like showers and bathtubs, choose PermaBase® Cement Board for the protection you need against every drip, splish and splash.

Reliable Protection

Unlike standard drywall, PURPLE® XP drywall is moisture-, mold- and mildew-resistant.

Fire Resistance

PURPLE® XP drywall is fire resistant, which gives you added peace of mind.

Improved Air Quality

PURPLE® XP drywall is GREENGUARD GOLD Certified for improved indoor air quality.

Superior Performance

Top rated in industry material tests, PURPLE® XP ensures your project will stand the test of time.

Related FAQs

  • What’s the difference between drywall and cement board?

    Drywall is used to create the walls and ceilings in the non-wet areas of your home. While standard drywall is likely appropriate for low-activity, low-moisture spaces, PURPLE® drywall offers added benefits for areas that need it – for example, mold and moisture resistance in the bathroom or basement, sound resistance in the bedroom or nursery, or protection against car door dings and accidental holes in the garage.

    Cement board – also known as backerboard – is specially designed for use in place of drywall behind tile in the wet areas in bathrooms and kitchens. It’s hard, durable, naturally moisture- and mold-resistant, and won’t rot, disintegrate or swell when exposed to water. PermaBase® Cement Board is ideal for use behind tile in showers, tubs, backsplashes and countertops, and behind exterior finishes such as thin brick, stucco and manufactured stone.

  • What’s the best drywall for showers?

    Instead of drywall, use PermaBase® Cement Board behind tile in showers and tubs. Because it’s specially designed for the wet areas in bathrooms and kitchens, it’s hard, durable, naturally moisture- and mold-resistant, and won’t rot, disintegrate or swell when exposed to water.

  • What’s the difference between PURPLE® drywall and traditional green drywall?

    Traditional 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.