The crawl space has an integral role towards a home’s overall value as well as the living space above. Most homeowners in Kingsport Tennessee don’t think twice about their crawl space unless they have to make repairs to plumbing, heating ducts or house wiring. While often thought of as no more than a storage area, it also has a tremendous impact on the overall indoor air quality of the entire home.
The Best waterproofing crawl space In Kingsport TN
By default, the air quality of a crawl space is typically poor. Mold, mildew, radon gas and poor energy efficiency all create several problems. The air that circulates within it eventually makes its way up through the living space. Scientific studies show that up to 50% of living space air originates from the lowest level of the home. With homeowners more concerned about their home’s indoor air quality, the encapsulating of crawl spaces has become a popular solution for such problems.
A damp crawl space creates a safe harbor for harmful molds, in addition to dust mites, termites and other bugs that can infest the home. The presence of excessive moisture will also create a serious problem with the probability for the wooden structure of a home to deteriorate. Crawl space vents pose a further problem. While believed to be a solution to moisture problems, they, unfortunately, make the problem worse. As it turns out, the vents allow cold air and moisture in, which rises into the living area and therefore decreases the heating efficiency of the entire home.
Another all-too-common problem associated with crawl spaces is radon gas. Though it cannot be seen, smelled or tasted, radon is a radioactive gas that can contribute to poor health, including cancer. Radon gas makes its way through the earth, into the crawl space and the home’s living space. According to the U.S.E.P.A., radon gas is the number one leading cause of lung cancer in non-smokers.
Ignoring these various conditions is not recommended for both long-term health and energy usage. Fully encapsulating a crawl space – by both sealing and insulating – is a fully efficient measure in addressing such problems. It makes sense to maintain and improve the lower level area in order to maximize healthy living conditions and home resale value.
While there are several systems for encapsulating, a zero perm liner system that also insulates and reflects heat provides the most benefits. With a proper floor and wall liner, the area will not only be well insulated but will seal out moisture, bug infestation, and radon gas. Other components to look for in a system include a radon gas-dispersing drain fabric, a radon gas ventilation pipe, and a ceiling heat shield.
A complete system with all of the above components will allow any soil gasses – including radon gas – that naturally occur under the liner system, to wick through the drain fabric and escape out through the ventilation pipe. While improved indoor air quality is the primary benefit of a sealed and insulated crawl space, the homeowner will also appreciate a bright, clean, and dry storage area; the ridding of musty smells; less energy usage; and tax credits. Contractors encapsulating crawl spaces will have more to offer to their clients when they can assure the peace of mind with improved indoor air quality.
Crawlspace Vapor Barrier Mythbusters
Crawl spaces are known for their aesthetic presence-- NOT! When you talk about a crawl space you probably touch upon the dirt floor, the mold buildup, the puddles, the stench, oh and you can't forget about the insulation falling from the ceiling or the dusty old vents.
Unfortunately, this environment can cause a whole lot more damage to the rest of your home than you may think.
Crawl spaces and basements have huge problems with moisture. The stack effect is the proper name for the well-known process of warm air rising, which absolutely has a lot to do with moisture.
When the hot and humid air from the outside enters into the crawl space, the air begins to cool and the warm air pushes and exits through the upper levels. When the hot air cools by even one degree, the relative humidity rises by 2.2 percent.
This is why you find condensation and water buildup on other surfaces! Once this moisture begins to build and the humidity rises in the space mold begins to grow. Mold will continue growing and prospering if it has moisture, organic material to eat and a comfortable temperature. You cannot remove mold by wiping it away, but you remove mold by eliminating the source of moisture.
In other words-- close the vents, seal the space and install a sump pump!
As we just learned, air tends to rise within a home. So, when old-school thought encouraged people to install vents, it was unfortunately saying that air would come in through one vent and go out the other vent. This is not the case. Instead, the air comes in through both vents increasing moisture and humidity. In addition, as the crawl spaces conditions worsen due to the vents, the air quality in your home also lessens.
It's been estimated that a third to one half of the air on the first level actually comes from the crawl space, so whatever is growing and prospering beneath your home you can be sure to be breathing in throughout the rest of your home.
In addition, some spaces have fans as well. A fan will only blow the mess around and worsen the problem. Both of these "solutions" also heighten your energy bills and shorten the life of some of your homes heating and cooling appliances. Your air conditioning will be working a whole lot harder to cool and your heating system will be working very hard to keep your home warm. Unfortunately, the vents and fans in your crawl space are a big factor in your energy waste and increase in expenses.
Since crawl spaces have problems with moisture control and mold growth the best solution will close-off air flow from the outside and prevent moisture from entering through the soil, cracks and vents. In addition, the solution must prevent mold growth and include a water drainage system for when leaks occur and water somehow makes its way into the space.
This solution is to install the CleanSpace Crawl Space Encapsulation System, which will enclose the entire crawl space with a vapor barrier that also separates the space from the soil foundation. In addition, you can close-off the vents and include a sump pump drainage system.
No more vents, no more fans equals better air quality and a cleaner environment.
Crawl Space Dig Out: How to Turn Your Crawl Space Into a Basement
A crawl space dig out is the process of turning your crawl space into a basement. This vastly increases storage space and can, in some cases, increase living space as well.
But, a crawl space dig out can be an enormous and daunting task. And, if done improperly, it can be dangerous. If you don't want to have a professional do it for you, please follow the steps below.
To get started, find place in the outside wall of your crawl space that you can safely enter the new basement with a temporary or permanent set of steps. Make sure the wall opening is big enough to handle at least a 36-inch door, preferably making the area for the steps at least 48-inches wide.
If your soil is sandy or gravel and or may be full of water at least part of the year do not consider this procedure, it is very dangerous and you may damage or lose your house.
Make sure that prior to digging the hole for the outside exit, please build a header of sufficient size to hold the floor of the home where you will be removing the old foundation.
You need to excavate to a depth that will accommodate a four-inch concrete slab and still have at least 7-foot, 6-inches of clearance under your floor joist. It is entirely possible that you will have 48 inches of soil to remove.
When digging out a crawl space, you can not excavate any closer than 24 inches away from the existing foundation.
You can remove the soil sufficiently to work along the wall without removing the entire area you wish to change.
When you get the soil out to a depth that you prefer, pour a footer that is eight inches thick and 16 inches wide. The footer should be below the bottom of the new slab so it is a good idea to dig the area for the footer below the level you remove for the floor area. This is a very important step in a crawl space dig out.
Then, when your block is level with bottom of the old foundation wall you need to pour a four-inch thick slab of concrete on top of the wall and over to the outside existing wall.
Prior to pouring your "Cap" you must fill between the block and soil that is under the old foundation with fill sand or "Pea-gravel." Assuming that you probably have some kind of support under the center section of the floor system, you will have to provide support for the beam that is presently supporting the floor while excavate for a new footer for a steel post that will hold the floor of your new space.
Make sure your footer for this part of the project is about eight inches thick & 24 inches square.
You will need to level the floor area for your new slab and install four inches of perforated plastic pipe draining to a sub pit with an automatic sub pump that dispenses the water to the outside at least five to ten feet away from the foundation of the home. I'd suggest using "Pea-gravel" for fill under the slab but you can you fill sand also.
Now, build your stairs to the outside in a similar fashion but you need to cover it with a steel "pre-fab" unit such as a "BILCO."
If you do this correctly and maintain it, it will last for many, many years. It is strongly suggested you get a professional to do this job or at least help with it because mistakes can be dangerous and very costly.
Crawl Space Masters Specializes In Crawl Space Encapsulation in Kingsport TN.