Knowledge Builders

what does moisture control mean

by Leanna McKenzie Published 2 years ago Updated 2 years ago
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Moisture control means in practice that water in liquid or vapour form must be kept away from skin in order to preserve dryness and comfort. This is a delicate task, in particular with exercise, as significant sweating may be evoked for the preservation of heat balance.

Full Answer

How to control moisture at home?

There are many ways to control moisture in your home:

  • Fix leaks and seepage. ...
  • Put a plastic cover over dirt in crawlspaces to prevent moisture from coming in from the ground. ...
  • Use exhaust fans in bathrooms and kitchens to remove moisture to the outside (not into the attic). ...
  • Turn off certain appliances (such as humidifiers or kerosene heaters) if you notice moisture on windows and other surfaces.

More items...

Is a moisture control system right for your home?

Moisture control and dehumidification can prevent the possible damages to the structural integrity of the foundation of your home. Moisture is the biggest enemy of the home. Even the most well-built homes can be destroyed by moisture.

How to control moisture and humidity in the home?

“If your home has a crawl space, a proper vapor barrier should be installed in the area—you should not be able to see the ground,” he says. Making sure the air inside your home is circulating can also prevent excess moisture. Keep your AC fan set on “auto,” instead of the “on” setting. The latter increases the level of humidity in your home.

How can I control the moisture in my basement?

Mold and Moisture and Mildew, Oh My!

  • Install a Vapor Barrier to Prevent Moisture Penetration. Moisture can easily seep through basement walls and floors. ...
  • Cover Your Sump Pit With a Lid. Your sump pump plays a crucial role in your waterproofing system. ...
  • Improve Your Air Quality With a Dehumidifier. ...
  • Other DIY Tips. ...
  • Send Humidity Packing With Blue Umbrella. ...

How does insulation affect moisture?

What is a damp proof foundation?

How does air react to temperature?

How does moisture affect your home?

What causes water to leak in basement?

How does air move water vapor?

What is the purpose of adding a gasket under the sill plate?

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Why is moisture control important?

Controlling moisture can make your home more energy-efficient, less costly to heat and cool, more comfortable, and prevent mold growth. Properly controlling moisture in your home will improve the effectiveness of your air sealing and insulation efforts, and these efforts in turn will help control moisture.

What is moisture control in construction?

Moisture control consists of: • Preventing water intrusion and condensation in areas of a building that must remain dry. • Limiting the areas of a building that are routinely wet because of their use (e.g., bathrooms, spas, kitchens and janitorial closets) and drying them out when they do get wet.

What does exterior moisture control do?

Controlling the moisture level in your environment will prevent dangerous mold growth and unsightly conditions, such as mildew, condensation and water marks/stains.

What can I use to control moisture?

Use dehumidifiers and air conditioners, especially in hot, humid climates, to reduce moisture in the air, but be sure that the appliances themselves don't become sources of biological pollutants. Raise the temperature of cold surfaces where moisture condenses. Use insulation or storm windows.

What are the 3 most commonly used moisture control methods?

There are three main methods of controlling moisture: rinsing, oral evacuation systems, and teeth isolation.

How do you know if you have moisture in your house?

The Telltale Signs of Moisture Problems In Your HomeMusty Odors from Mold and Mildew. ... Visible Mold or Mildew. ... Rotten Wood. ... Sticking Doors and Windows. ... Floorboard Issues. ... Bubbling or Peeling Wallpaper or Paint. ... Water Stains On Your Ceiling.

What causes a house to hold moisture?

Having a long, hot shower or cooking a stew for hours can cause all of your windows to steam up. Condensation happens when warm air hits a cold surface, like a window or wall. Even normal cleaning activities, like mopping floors or shampooing a carpet, can create moisture which leads to dampness in a home.

Why does my house hold so much moisture?

High humidity in a house can be caused by many things, but the biggest reason is poor ventilation—in other words, air isn't being circulated properly, which causes the air in your house to become stagnant and humid. The other major reason? Too much air exchange with the outside.

What causes high moisture?

Causes of high moisture levels moisture getting into the home from outside – especially from leaks and damp ground beneath the house. water released from household activities such as showering, washing, cooking and even breathing. moisture released from unflued gas heaters. inadequate ventilation.

Does air movement reduce mold?

Another major step to prevent mold growth in your home is to make sure you are properly ventilating your home. Ventilation helps prevent humid air from getting trapped indoors and wreaking havoc with mold growth. Good airflow can help cut back on moisture and will dry wet areas of your home more quickly.

How do you know if your house air is dry?

You can tell if the air in your house is dry when you notice your lips are frequently chapped or your skin is cracked and itchy....Signs The Air In Your House Is Too DryIrritated sinus and nose bleeds can make it hard to breathe or sleep at night. ... Asthma and allergy flare-ups. ... Increase in static electricity.More items...•

Can you dehumidify too much?

It is unfortunately a common occurrence that a dehumidifier ends up drying out the air in a home so much that it creates a new set of problems, such as the easy spread of illnesses, cracked, dry skin, and problems with static electricity.

How do you control moisture in concrete?

How to Prevent Moisture Problems on Concrete FloorAllow the concrete slab to dry. ... Use damping agents. ... Use the right vapor retarder. ... Install proper underlay. ... Consider the building site.

Why is moisture content important in construction?

4.1 The moisture content of construction materials for use in roadway is important in determining compaction and proportioning of additional materials. The moisture content of a sample of soil or fine aggregate can be obtained in the field.

How to Solve Moisture Problems Under Your Home

Mary asks, “We live in an older home that is raised off the ground with a crawlspace. In the past few years, the hardwood flooring in several rooms has started to warp and cup. What could be the problem?”It sounds like you may have excessive moisture and humidity in the crawlspace under your home.

What are the main ways to control moisture in your home?

The key to mold control is moisture control. If mold is a problem in your home, you should clean up the mold promptly and fix the water problem. It is important to dry water-damaged areas and items within 24-48 hours to prevent mold growth. Water in you

What is Moisture Content?

Moisture content (MC) is a reference to the amount of moisture present in a material. This value is often represented as a percentage of the material’s mass (such as X% MC). The amount of moisture in an object can be measured in several different ways, such as with oven-dry tests or moisture meters.

What is a reading scale?

Reading Scales are an expression of what material (or materials) the moisture meter is calibrated to provide accurate readings in.

What is a moisture meter for wood?

For example, there are some moisture meters that are optimized for getting accurate readings in wood. These would be called wood moisture meters and have a “wood reading scale.”. On the other hand, there are moisture meters optimized for hay—these meters would be called hay moisture meters and have a hay reading scale.

What is a pinless moisture meter?

Pinless Moisture Meters. These meters rely on electromagnetic waves to “scan” a material sample. The contact plate on the meter needs materials with a flat surface and sufficient thickness to operate properly. If the contact plate can’t make solid contact, then the radio wave might become distorted. If the material is too thin, then the pinless meter might scan the material behind the sample being scanned.

Why is reading scale important?

Why? Because, with moisture meters, each device is usually calibrated to get accurate (or “quantitative”) readings in one kind of material . For example, there are some moisture meters that are optimized for getting accurate readings ...

How does an oven dry test work?

Oven-dry tests measure moisture content by weight—a piece of material is weighed and then placed in an oven at a set temperature for as long as it takes for the material to stop changing weight. Once dry, the material is weighed again, and the difference in pre-drying weight and post-drying weight is used to determine how much moisture was in ...

What does more resistance mean in a water test?

Since water conducts electricity, more resistance means less water , and less resistance means more water.

Why is moisture analysis important in the food industry?

Moisture content has a lot to do with a food product’s characteristics, including its physical appearance (shape, color, etc.), texture, taste, weight (which can impact the cost) in addition to factors that affect the product’s shelf-life, freshness, quality, and resistance to bacterial contamination.

Why is cautionary moisture content important?

Further, cautionary moisture content analysis can serve to protect their revenue and profits by ensuring product consistency and safety, minimizing waste, and reducing unplanned downtime of food production machinery .

Why is moisture analysis important?

For food producers of controlled products, moisture analysis is essential to meet legal requirements. 2. Shelf life. Shelf life is important because it informs consumers of when food is safe to consume.

Why is the change in electrical current passed through a sample used to measure moisture content?

This method is often used as a control process to ensure that known moisture content is maintained.

What is the method used to measure moisture content?

3. Hydrometry. Hydrometry is a method that obtains a measure of moisture content by measuring the specific gravity of a food sample. This technique is limited to use with certain food types, such as beverages, salt brines, and sugar solutions.

Why is moisture important in food?

The analysis of moisture content is essential to the food industry to control for the quality of the food, as well as the shelf life, in addition to helping food manufacture companies adhere to legal and labeling requirements.

How does moisture affect food quality?

Food quality. As discussed above, moisture content can have dramatic effects on the quality of a food product. It can impact the taste, texture, and look of a product. Manufacturers seek to keep products as consistent as possible to ensure the same quality, and to avoid waste.

What is the best soil for growing plants?

Potting soils that contain moisture-holding polymers, such as Moisture Control Miracle Grow, do the exact opposite of what potting soils are supposed to do, which is to retain just the perfect amount of moisture to keep roots moist but also to drain extremely well so that any excess water, including excess liquid fertilizer can drain out the bottom of the pot. In this way roots are kept from rotting in the artificial environment provided by a container of any kind. Most plants grow best in the ground, but some plants are well adapted to growing in containers. Almost all plants in containers need fertilizing and fertilizers contain salts. When we plant in a well-drained potting soil, excess salts are washed out the bottom of the pot, but when we plant in a potting soil that hangs onto every drop of water, it also hangs onto all the salts, thus killing plants.

Why do plants die when the soil is too wet?

If the weather is to wet, the soil stays too wet and the result is your plants die or do badly because of lack of air in the soil which leads to root rot. If the weather is too hot, the soil tends to stay soggy and get fungus in it from the heat and the roots once again die from root rot. If you try to fertilize then the problems are compounded since too much fertilizer stays in the soil along with all the salts that are part of all fertilizers, and salts kill plants.

Does Moisture Control Miracle Grow soil stunt plants?

I’ve used Moisture Control Miracle Grow Potting Soil for several years. The quality has steadily gone downhill. Not only was this spring’s bag essentially wood chips, it also stunted and yellowed a variety of potted-up plants. My vinca looks like it has variegated leaves.

Can Miracle Grow potting soil be used in NYC?

I too used Miracle Grow Moisture Control potting soil – mainly because it’s the only thing you can buy at most places in NYC — and it’s been an UNHOLY DISASTER. It comes infested with fungus gnats and now I’ve got them all over my apt. The only way to really reduce them is to let the plants go without water for a couple weeks at a time. Even then, the fungus gnats will still hatch but there will hopefully be less of them.

Do plants grow best in containers?

In this way roots are kept from rotting in the artificial environment provided by a container of any kind. Most plants grow best in the ground, but some plants are well adapted to growing in containers. Almost all plants in containers need fertilizing and fertilizers contain salts.

Why Is Moisture Content Important?

The moisture content of wood is important because wood will shrink or expand according to its moisture content. In other words, its physical size will actually change. This has the potential to cause a host of problems. Imagine spending hundreds of hours building a beautiful wood cabinet only to see it start to deform later. These problems can be easily avoided if you know the wood’s moisture content.

What Is a Normal Moisture Reading?

Furniture, cabinets, wood objects, and other woodwork used indoors typically require a wood moisture reading from 6-8%. However, in high humidity coastal regions or other locations near large bodies of water this range may be extended to 10%.

What is the best tool to check for moisture in wood?

That means that a quality moisture meter is the perfect tool for spotting wood moisture issues before they turn into big problems.

Why use a pin type meter?

Pin-type meters are more sensitive than pinless meters to naturally-occurring chemical and minerals in the wood as well as wood temperature variations. A quality pin-type meter should always come with temperature correction charts. These are especially important when conducting moisture tests on wood that hasn’t been stored at room temperature.

What is the EMC of wood?

Once wood acclimates to its environment, it reaches what’s called its equilibrium moisture content or EMC. This happens when the moisture inside the wood reaches a balance or equilibrium with the relative humidity (RH) and temperature of the wood’s surrounding environment.

What happens if you shrink furniture?

With furniture or cabinets, a 1% shrinking or swelling can result in poor-fitting drawers, doors, and joints. It can even cause warping and cracks in the finish. Wood flooring will also shrink or expand with moisture changes and even small changes can produce big effects.

Why is it important to use a pin type moisture tester on wood?

These are especially important when conducting moisture tests on wood that hasn’t been stored at room temperature. Pin-type meters are also sensitive to the wood’s chemical makeup, which varies according to species.

How does insulation affect moisture?

In addition to air movement, you also can control temperature and moisture content. Insulation reduces heat transfer or flow, so it also moderates the effect of temperature across the building envelope cavity. In most U.S. climates, properly installed vapor diffusion retarders can be used to reduce the amount of moisture transfer. Except in deliberately ventilated spaces such as attics, insulation and vapor diffusion retarders work together to reduce the opportunity for condensation in a house's ceilings, walls, and floors.

What is a damp proof foundation?

Damp-proof all below-grade portions of the foundation wall and footing to prevent the wall from absorbing ground moisture by capillary action.

How does air react to temperature?

The laws of physics govern how moist air reacts in various temperature conditions. The temperature and moisture concentration at which water vapor begins to condense is called the "dew point." Relative humidity (RH) refers to the amount of moisture contained in a quantity of air compared to the maximum amount of moisture the air could hold at the same temperature. The ability of air to hold water vapor increases as it warms and decreases as it cools. Once air has reached its dew point, the moisture that the air can no longer hold condenses on the first cold surface it encounters. If this surface is within an exterior wall cavity, the result is wet insulation and framing.

How does moisture affect your home?

Controlling moisture can make your home more energy-efficient, less costly to heat and cool, more comfortable, and prevent mold growth.

What causes water to leak in basement?

Most basement water leakage results from water flowing through holes, cracks, and other discontinuities into the home's basement walls or water wicking into the cracks and pores of porous building materials , such as masonry blocks, concrete, or wood. These tiny cracks and pores can absorb water in any direction -- even upward.

How does air move water vapor?

Air naturally moves from high-pressure areas to lower pressure areas by the e asiest path available -- generally through any available hole or crack in the building envelope. Moisture transfer by air currents happens quickly, and carefully and permanently air sealing any unintended paths for air movement in and out of the house is a very effective moisture control strategy.

What is the purpose of adding a gasket under the sill plate?

Add a gasket under the sill plate to provide air sealing.

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