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How to make your bathroom remodel Mold Free

Updated on January 31, 2011

Install No Mold products when building or remodeling your bathroom or kitchen

Mold and mildew can become problems in high moisture areas of the house such as a bathroom or kitchen. Repair or install drywall and tile with mold resistant products and joint tape. Many of these brands are available at your local Home Depot or Lowe's. A No Mold product may cost a few dollars more but can be worth the peace of mind when you spend money on home remodeling.

Of course, proper ventilation is the first step to a mold free bathroom.

ToughRock Greenboard

Mold Resistant Drywall

Toughrock Moisure-Guard gypsum board (drywall) is ideal for installation in high moisture areas. This brand of drywall from Georgia Pacific can be purchased at a local chain home improvement store. Moisture-Guard is ideal for bathrooms, kitchens and laundry room areas of your home.

The cost is about $9.99 for one 8'x 1/2" drywall board. Untreated drywall usually costs 30-50% less. For a few extra dollars it can be beneficial to have the treated 'greenboard' in your home for the prevention of water damage from stains or humidity. This product is also available in 5/8" thickness.

Find at where you can buy this product locally at Georgia-Pacific and use your zip code to search for a store near you.

No Mold Joint Tape

WallSpan No Mold Joint Tape is a great complement to a moisture-resistant drywall installation. Like the ToughRock Mold-Guard drywall, this product is easily identifiable on the shelf because of its green color. The joint tape features a self-adhesive and is easy to apply to drywall joints in preparation for the joint compound.

Better Mold Resistant Tile Backer

DensGuard Tile Backer by Georgia-Pacific is a less porous alternative to cement board for tile backing. This treated board is textured to lessen the difficulty of tile installation as well. DensGuard has a lifetime warranty and is lighter in weight than traditional cement board. This product is not carried in all local home improvement stores, so check where to buy.

DensGuard may also cost a couple dollars more than traditional cement board, but is worth the money for the benefits of easier tile installation. One side of the board is textured to hold tile better and is as easy to install as drywall. DensGuard tile backer is also better at eliminating moisture penetration to prevent mold and mildew growth behind tiles.

Easy to Install DensGuard Tile Backer

Rust Resistant Screws

When installing your DensGuard tile backer, consider Backer-On screws designed to prevent rust and rust-penetration for high moisture areas. Rust can cause deterioration of the integrity of the structure. If moisture penetrates to the screws, these Hardi Backer brand screws prevent rust and buildup of rust with a special coating around the screws. They are specially designed for tile backer use.

These drywall screws have a flat head to sit flush with the wall when installed. The square drill bit is also included for free in packages of HardiBacker screws so don't worry about not having the right drill accessories.

Finish with the right paint

Remodeling may not be easy for all of us, but we have chosen to buy the listed products for our bathroom renovation to prevent mold and mildew growth. During the demolition of the bathroom at the beginning of our project, we found some mold where the tiles were damaged or water collected along the floor edges over the years. Prevent mold growth for the remainder of the home's life is important for our project and with the proper installation we feel confident about the extra money spent for these quality items.

When finished with installation I plan to use the Sherwin-Williams Harmony No VOC paint. Learn more about the odor-free paint and also prevents mold growth at my Sherwin-Williams Paint Review.


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    • Chantelle Porter profile image

      Chantelle Porter 2 years ago from Chicago

      Glad I found this article. I am starting a bathroom remodel in September and am glad I found out about the DensGard. Thanks for shring.

    • profile image

      beachwalker 7 years ago

      Good to know.