The Benefits of Using Mold Resistant Drywall

Moldy Ceeiling

Although drywall manufacturers are not known for constant innovation, they do occasionally come out with something that makes builders stand up and take notice. The growing concern with mold and its potential health hazards in recent years has led drywall companies to come up with a solution to the problem in housing construction – mold resistant drywall. For areas of the home where moisture might be an issue, this type of specialty drywall could be just what you need tostop mold before it starts.

Mold in the Home

Mold is always around, even when we can't see it. The spores are everywhere and there is no hope of eliminating all of them. Luckily most of the time this isn't an issue. The problems only begin when enough moisture starts to accumulate in the home, creating an ideal environment for the mold.

The big stories in the news have been about the dreaded “black mold” or “toxic mold.” In truth a number of different molds can be black and while some of them produce toxins, it has yet to be proven that they cause major health problems. The Centers for Disease Control and Prevention has a page all about mold in the home, where they explain it's dangers – typically hay fever like symptoms in people that happen to be allergic – and how to get rid of it.

Moldy drywall can cause severe health problems.But, while the fears surrounding mold may possibly be overblown, you can still bet that no one wants the stuff in their home if they can help it. Mold growth can cause allergic reactions in certain people and the presence of mold can definitely make it more difficult to sell a house. Whether the owner has an allergy or not, they will still want to remove the mold – a process that could require a mold remediation company if it's bad enough. This is why specialty building materials like mold resistant drywall can come in real handy.

How Mold Resistant Drywall Works

Drywall hasn’t' changed much over the years because it works great as it is for most applications. A layer of gypsum sandwiched between two layers of paper, it is a must-have material for building a home. The only problem is that it doesn't do well with moisture. Mold spores can start feeding off of the paper and even the inner gypsum layer, meaning you have to tear out the drywall and replace it if the infestation gets too bad.

Mold resistant drywall is made in two different ways:

    • Laminated – This type of specialty drywall is designed to stop the problem where it starts, at the surface. Still using a gypsum core, manufacturers use a fiberglass mat on front and back that will repel water from the inner gypsum. The gypsum used in these boards is also water resistant, unlike that used in regular drywall.

    • Uniform Composition – These drywall boards dispense with mats altogether, instead opting for a uniform water-resistant material throughout. They can be painted or tiled as needed.

Advantages to Mold Resistant Drywall

Shower headThe advantages to choosing this type of specialty drywall are fairly obvious. When you have an area of a home that is likely to be exposed to moisture, using mold resistant drywall can help prevent the growth of mold. This could be applicable in several parts of a home, including:

      • Bathroom

      • Kitchen

      • Basement

      • Garage

      • Utility room

The cost of mold-resistant drywall will be higher than the traditional stuff. However, when you consider the fact that the material could hold up much longer in moist environments its cost may be justified. The humid New England climate is great for growing mold, especially in those areas of the house that area already prone to moisture accumulation.

Get Expert Advice

There are a number of different companies now producing mold resistant drywall. If you want to learn about all of your options and get expert advice on what works best for your specific project, call or come by Wallboard Supply Co. and talk with one of our specialty drywall professionals. Providing drywall delivery to Boston and throughout New England, we know our products inside and out and would be happy to answer all of your questions.

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Photo credit: anneh632 / Foter / Creative Commons Attribution-ShareAlike 2.0 Generic (CC BY-SA 2.0)


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Wallboard Supply Company is a third generation, family run business that has been serving New England's building needs since 1970. Bob Filion started the company with a commitment to provide quality drywall and finishing products with unmatched customer service. The company has grown over the years, expanding its' product range, but never wavering from its' core values.