Crawl Spaces in Tennessee have been always around, but they became increasingly popular when homeowners started to recognize the improved convenience they have. Compared to the conventional floor setups and concrete floors, crawlspaces granted easy access to the plumbing setup and air ducts, and repairing them became effortless. Moreover, crawlspaces were also used as a storage facility. However, like any good thing in the world, crawlspaces also have its fair share of problems: trapped moisture, vermin, termites, and carpenter ants; invasion of wildlife and accumulation of foul gases to name a few.
crawl space mold Tennessee
I’ve been doing crawl space encapsulation in Tennessee for more than two decades now. A good number of correspondences I have addressed were always concerning the foul smell and bad odors that are generated from crawlspaces. It’s imperative to recognize the root causes behind such foul odors and we need to work on strategies that will eliminate the root causes. Crawlspace encapsulation is relatively a new technique which will help you to protect your crawl space, and the health of your family. However, you need to know how to choose the right encapsulation system for your home.
By encapsulating your crawl space, you no longer have to worry about rodents or other wild animals invading your crawl space, moisture accumulation, termites and foul smell that was haunting you for long. A Do-It-Yourself encapsulation kit will undisputedly help you to protect your home from unwanted disasters.
Crawlspace Vapor Barrier Installation
Before you sign that independent contractor agreement, consider this:
You're hungry, and you and your special someone decide to eat out. You drive down the road and find two restaurants standing next to other. From the outside, they seem about the same with one significant difference: the parking lot in front of one restaurant is nearly empty. The other restaurant? Packed! The lot is nearly full, and there's a crowd at the door. Through the restaurant windows you see smiling faces and filled tables. You pull in, and when you're greeted at the door, you're told there will be a 45 minute wait for your table. Will you leave the restaurant and go next door to the one that can serve you immediately? Isn't there a reason the other one is empty?
If you're looking for a basement waterproofing contractor to work on your home, you've got more than a bad taste in your mouth to worry about. Symptoms of a wet basement include headaches, moldy basement carpeting, wet drywall, ruined personal possessions, spreading mold, smelly basement syndrome, fatigue after hours of cleaning, and an exhausted bank account. Don't take chances on the empty business- if you reach a basement waterproofing company with a long line, there must be an awful lot of people who think they're worth the wait.
If you're not sure if the basement waterproofing contractor you've decided to work with is the best in the business, there are many ways to check out their reputation. Visit the local Better Business Bureau web site and check out their reputation- any complaints registered with them will be public for three years. Compare them with other local dealers, taking into account the size of the businesses and how many jobs has been completed for each.
It's also a good idea to check the contractor consumer web site such as Yelp! Or Angie's List. If the local contractor is registered, then reviews, company information, and ratings for quality and service will be clearly laid out as well as anecdotal accounts created by customers of this contractor will be available. There's a lot of ways online to have a customer's feelings be heard nowadays.
As a final way to check on your basement waterproofing contractor, contact them and ask for references. Many contractors will collect references from previous jobs and will be able to connect you with testimonials and contacts that will be able to give you a personal account of the quality of their service. However, whether you check with the Better Business Bureau, Angie's List, or you're checking up on references, you'll be gathering information directly from former customers about what these basement waterproofing contractors are all about.
Crawl Space Encapsulation Systems DIY
Outlined below are the most common 4 methods I have seen used in installing a vapor barrier. If you talk to different builders, you usually will end up with many different methods of installing a vapor barrier in a crawlspace. Here are the most common:
1. Pea Gravel on top of plastic vapor barrier - This has to be the all time dumbest thing I have ever seen, and yet it is probably one of the most common. I have had builders tell me that the plastic on the ground KEEPS ground water and moisture from coming up from the ground. Now if there is no moisture or water in the soil, this might be possible; but if that was the case there would be no need for the barrier in the first place. So here is the basic idea - ground floor (bottom) - plastic (middle) - 4" pea gravel fill (top). Once the crawl foundation is built, builders install a 4 - 6 mil plastic on the ground and dump about 4" - 6" of pea gravel on top of the plastic. Eventually, what always happens is that water comes in from the walls and the ground floor and ends up on top of the plastic. So what you end up with is a swimming pool liner that holds water in the gravel for prolonged periods of time. Nearly all the water and moisture in the gravel back fill has to evaporate into the structure. Another example of building practices and science turning a blind eye to crawlspaces for decades.
2. Vapor barrier on top of ground floor - By far the most common practice for installing a vapor barrier. A 6 mil polyethylene vapor barrier is placed over any ground floor. Here is the idea - ground floor (bottom) - plastic (top). The ground floor could be river rock, pea gravel, dirt floor, sand, etc. The seams are typically overlapped 6" - 12" and almost never taped. While this will temporarily stop some moisture evaporation, it does not seal out moisture from the internal perimeter wall where most water penetration occurs. Also moisture can come up from the seams, and the plastic is not durable enough to crawl on. It nearly always ends up with many punctures and holes in it.
3. Vapor barrier on bottom of floor joists - This is rarely seen, and usually only home owners attempt this. This is probably the method that accounts for more wood rot than any other method. If you are even thinking of doing this, quit thinking and call a professional to fix your crawlspace. Most crawlspaces are vented and the cooler surfaces such as duct work, pipes, and the floor will condensate in the summer. The plastic will trap the condensation up against the floor structure and mold and wood rot will occur. Good intentions do not always produce good results.
4. Vapor barrier fastened to sill plate - There is a new industry in crawlspace repair that encapsulates crawl spaces. The process of encapsulation is to install a heavy think plastic liner on the floor and up the foundation walls. The plastic liner is fastened and sealed to the foundation wall and all the overlapped seams are taped. Every potential gap or seam in the liner is meticulously sealed to prevent any moisture from evaporating. Then the vents are sealed in the encapsulation system to prevent hot humid air from entering in the summer. There is another system being sold and installed out there being represented as an encapsulation system, but is far from it.
This "other" system is a 6 mil plastic that is ran up the foundation walls and stapled to the sill plate. None of the overlapped seams are taped. It is basically a glorified vapor barrier on top of the ground floor being ran up the walls and stapled to the wood. They seal the vents without properly sealing the moisture from the ground floor or foundation walls. The problem with fastening plastic to the sill plate is that moisture will "wick" up the foundation wall, and moisture will absorb into the sill plate and floor joists. They are giving free access to all the moisture under the liner to rot the sill plates and floor joists. Not to mention that all the moisture will evaporate up through all of the seams that aren't taped and the plastic liner is only 6 mil and eventually will puncture and tear. Be very careful in the contractor you choose to properly encapsulate your crawlspace.
If you crawl space is in need of repair, Crawl Space Masters can help!
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