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How to Prevent Moisture in Your Storage Unit

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| 2015 Nov 05 |
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How to Prevent Moisture in Your Storage Unit

Did you know that indoor humidity, or relative humidity (RH), in your home should be between 30% and 50%? Not only is this range comfortable for people, but it also works well to prevent mold and mildew from developing. When this limit is crossed (which happens a lot more than you’d expect), problems tend to occur.

For example, if moisture starts accumulating in your storage unit, anything you have inside will become susceptible to mold, mildew, corrosion and rust. This can be especially dangerous for stored goods and items of personal value like clothing, photos, wood, leather and electronic appliances.

It is highly recommended that the items you are storing stay protected and safe. Here are some things you can do in order to ensure a moisture-resistant, mold-free storage unit.

Check humidity

It is important that you measure the humidity levels inside your storage unit regularly. Indoor humidity should never exceed 50%.

In addition to asking the company from which you are renting or purchasing the unit about humidity control, you should also consider installing a relative humidity gauge inside the storage unit so you can monitor humidity constantly.

Inspect for leaks

If you plan on using an outdoor storage unit, before you purchase or rent one, check it for potential leaks. Inspect thoroughly for cracks and holes—this is the simplest way to prevent water from entering your storage unit. No matter how small and barely visible the cracks seem, they put your belongings at risk.

Finally, don’t forget to keep checking the storage unit for leaks and other forms of damage every so often, as outdoor weather conditions and wear can cause new cracks to form.

Choose your storage unit with care

The best way to fight moisture in your storage unit is to stop it from developing in the first place. Choosing a high-quality, moisture-resistant unit will save you from all the additional worries and stress.

Storage containers are perfectly designed to handle all challenges you might face when storing sensitive items. You also always have room for additional improvements, such as installing vents, air conditioners and windows.

Moisture-Resistant Storage Units - Mold Prevention
Look for storage units that have moisture-control features.

Make sure your stored items are 100% dry

Have you heard the saying “one bad apple spoils the whole bunch”? Well, it is the same with one damp item—it can ruin all the items you are storing. Just one slightly wet item can increase humidity levels and leave the door wide open for mold and mildew to grow on your belongings.

So, before you store your valuables, make sure they are all completely dry with no traces of moisture. This is especially recommended if you’re storing swimming gear, surfboards, etc.

Install a vapor barrier

One more way to damp-proof your storage space is to install a vapor barrier, a polyethylene plastic or foil that is placed on the warm side of the storage wall in order to block outdoor moisture.

This flexible membrane should also be installed beneath the floor to prevent moisture from the ground to seep inside. You can buy a vapor barrier with a permeability value of less than 1.0 in most hardware stores.

Make your own desiccant

Protect your belongings with materials that absorb moisture. You can purchase silica gel desiccant or similar materials in the nearest home hardware store or you can make your own desiccant at home.

Absorb Moisture & Control Humidity - Silica Gel Desiccant
To absorb excess humidity and control moisture in your storage unit, try making your own desiccant with silica gel.

DIY Desiccant: How To

You will need a piece of fabric and silica gel. Form a pocket out of two square pieces of fabric and fill it with the silica gel. Sew it closed and then hang the bag inside your storage unit.

Finally, remember that you will have to regenerate the desiccant because silica gel can absorb up to 40 percent of its weight. To do so, dry the crystals in the oven.

Use charcoal

Charcoal is a natural alternative to silicone gel desiccant. Charcoal briquettes absorb not only moisture, but unpleasant odours as well.

You can wrap them in fabric, just like crystals, and sew them up the same way you would the silica gel packs. You can also place them on a metal tray, inside a bucket or basket lined with foil or plastic. Replace the briquettes every month or two.

When handling charcoal, you should be careful not to stain some of your belongings, so never put it against items that could be damaged. To protect your possessions from stains and other damage, make sure that your storage unit is well organized.

Protect your things

Professional Mold Removal for Storage Units - Mold Busters
Protect your belongings against mold and moisture by keeping them off the ground.

Sometimes, things can get out of your control, and moisture, mold and mildew can find their way into your storage unit. When that happens, you might not have any other choice than to turn to professionals to solve your mold problem.

However, you can still avoid major damage by properly protecting your belongings beforehand. Make sure all of your possessions are wrapped in blankets and covered with a plastic sheet that will keep the moisture out. Never put your belongings directly onto a concrete floor because this can lead to condensation. Instead, place your things on top of wooden pallets.

Moisture problems in your storage unit and elsewhere in your home do not have to control your life. Fight back against mold, mildew and corrosion by being smart, prepared and protected.

Author bio

This article was written by Zoe Clark. Zoe is an environmentalist, home decorator and DIY enthusiast from a land down under. You can follow her on Twitter.