Will dehumidifier dry out concrete?

We mentioned above that a dehumidifier can be an excellent tool to help speed up the drying process, especially when a concrete floor is involved. It is important to note, however, that the whole process will still take time, and rushing it will lead to its own issues.

Is it normal to have cracks in concrete basement floor?





Cracks in the basement floor can be a cause of panic for homeowners. The good news is most basement floor cracks are normal and don’t need to be repaired. However, some cracks in the basement floor can let in water, moisture, and dangerous soil gasses (including radon).

Should I worry about cracks in my concrete floor?

Generally, cracks in your floor are nothing to worry yourself over. The only time that you might be concerned is if the cracks start changing vertically, suggesting that there is some settling happening.

Is it normal to have cracks in basement walls?

It’s not uncommon to be in any basement and notice a few cracks here or there. Yes, they can be frustrating to the homeowner, but they’re a common occurrence. Stress points are one of the reasons cracks are created in your walls. They can occur when you’re installing lines for the electric, gas or sewer.

Are dehumidifiers bad for basements?

In fact, if a dehumidifier is used in a basement with moisture problems, it may cause greater damage. By drying out the basement air, moisture is drawn into the basement more rapidly causing efflorescence and spalling of concrete and further damage to interior finishes.

Does a dehumidifier take moisture out of walls?





Dehumidifiers can help remove moisture from the air, which indirectly removes it from the walls, too. To speed up evaporation, remove molding and baseboards to prevent moisture from entering behind them.

How much concrete cracking is acceptable?

Generally, cracks with a width of less than 0.3 mm are acceptable and do not affect the structure. However, they may develop and grow to become structural cracks. Therefore, one should monitor small cracks on houses or structures. Crack width greater than 0.3 mm can create problems for the durability of the structure.

Are hairline cracks in new concrete normal?

Yes, in about a month, hairline cracks should subside. While shrinkage cracks can show up on the surface within hours of having concrete poured, it takes a full monthfor new concrete to fully settle. Don’t be surprised if cracks that seemed visible at first are nearly impossible to see after a month of settling.

Is it normal to have hairline cracks in concrete?

Hairline cracks in a concrete slab are rarely a cause for concern. They can be controlled, but not eliminated. A crack in a slab of 1/8 inch or less is typically a normal shrinkage crack and not a cause for concern.

Are cracks in a poured foundation normal?



Are foundation cracks normal? Yes, and they usually are no reason to panic. In fact, most cracks in a poured concrete foundation are a natural result of foundation settlement and shrinkage of the concrete during the curing process and can be easily fixed or simply left alone.

When should I be concerned about cracks in basement?

“Major” cracks are anything more than ¾ wide with a leaning foundation. Finding these cracks would be cause for concern and could signal a much more costly, structural problem. When cracks become this severe, the best course of action is to consult a professional foundation specialist or a structural engineer.

How can you tell if a crack is structural?

As the name suggests, structural cracks occur because of poor construction sites, overloading or poor soil bearing.
Telltale signs of structural cracks in your foundation are:

  1. Stair-step cracks.
  2. Cracks on foundation slabs or beams.
  3. Vertical cracks that are wide at the bottom or top.
  4. Cracks measuring 1/8″ in width.


Where should a dehumidifier be placed in a finished basement?

Placing your dehumidifier near the source of moisture will be more efficient. Your dehumidifier will capture humidity before it has a chance to infiltrate other areas.

How long should you run a dehumidifier in the basement?

May said that, as a guide, it’s best to use a dehumidifier when your basement feels humid or when you’ve spotted some of the signs outlined above. Running a dehumidifier for around 12 hours a day will enable you to manage indoor moisture while ensuring your energy costs aren’t too high.

What should a dehumidifier be set at in a basement in winter?

Basement Dehumidifier Settings For Winter
If it’s necessary to run your dehumidifier, keep the setting at 30% to 50%. Take note, avoid operating your dehumidifier when outside temperatures are below 60 degrees Fahrenheit during cold weather.

Should a dehumidifier run constantly?



Should a Dehumidifier Run Constantly? No, there is no need to keep the dehumidifier running constantly. It’s generally enough to run the unit when the humidity level is 50% or higher. A good rule of thumb to remember is to maintain a comfortable 30-50% humidity level for most homes.

Should you run a dehumidifier in the basement in the winter?

You should only run a dehumidifier in your basement in the wintertime if the room maintains a high relative humidity. To monitor the relative humidity in your basement, hang a humidistat (sometimes called a hygrometer) on the wall. It works like a thermometer, constantly measuring the relative humidity in the room.

What is a good humidity setting for a basement?

Dehumidify your basement
Mold and mildew flourish when the relative humidity level is above 80%; therefore all basements—finished or unfinished—should be kept at or below 50% relative humidity. In order to maintain that humidity level, May suggests using a dehumidifier and measure the humidity level often.

How long should a dehumidifier run per day?

12 hours a day



To achieve the highest energy efficiency, run a dehumidifier for at least 12 hours a day. This will allow you to remove moisture from the air without racking up the energy costs.

What level should a dehumidifier be set at?

between 30 and 50 percent

Set the humidity level.
The optimal relative humidity level is between 30 and 50 percent, according to Energy Star (and 30 to 40 percent in colder areas during heating season). If the humidity is higher than that, it can breed dust mites, mildew, and mold, and trigger allergies.