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Attic & Crawl Space Cleaning

WHAT'S IN YOUR CRAWL SPACE OR ATTIC?

Answer: Bugs, Water Damage, Bad Odors!

Crawl spaces are the largest single cause of poor indoor air quality and various moisture related problems in your home.

EnviroGreen
Air Duct Cleaning & Decontamination, Water Damage Repair, Remediation & Air Quality Experts...

...can guide you through the many problems associated with crawl spaces.  Our Free Inspection will involve a thorough examination of your crawl space inside and out.  We will explain the causes of your crawl space problems, what can be done to correct them permanently and provide you with a written estimate. Our goal is to solve your specific problem in the most cost-effective, non intrusive way possible.

Crawl Space Water Damage & Odors

Water Damage is one of the most common problems found in crawl spaces, along with the water damage comes those musty foul odors.  The most likely source of odors is damp crawl space air.  EnviroGreen treats the water damaged area with an EPA Registered, Non-Toxic, Chemical-Free, Botanical Fungistat/ Disinfectant that eliminates 99.99% of harmful odors.  We are so pleased with our products and their results, that we offer a 1 Year Warranty against odor recurrence for our attic and crawl space projects when our fungal disinfectants/inhibitors are used in conjunction with fixing any moisture problems.  If the odor comes back, we will re-treat for FREE.

Debris Removal 

We find many crawl spaces littered with debris.  Debris left in your crawl space is affected by the moisture in your crawl space.  Paper, cardboard, wood from construction and insulation is just a small example of what we find.  All of the things mentioned above have one thing in common they smell really bad as they decompose.  Removing the debris from your crawl space reduces the opportunity for odors and critters. 

Crawl Space Moisture

There are many sources of moisture that can affect your crawl space.  Open vents, lack of a vapor barrier, un-vented appliances, and foundation side wall penetration can all allow enough moisture to keep the humidity levels in your crawl space excessively high, this in turn causes odors to increase, and bugs and critters that like damp environments to want to come into your crawl space.

Insulation

There are several methods to insulate crawl spaces.  The most common is standard fiberglass batted insulation placed in the joist cavities; this is referred to as sub-floor insulation.  In our area of the east coast the required minimum is insulation with an R-19 rating.  Most codes are also now allowing insulation to be placed vertically on the foundation walls, providing it meets the requirements for fire and smoke spread.  This type of insulating is usually done with a ridged Styrofoam board of several inches.  In some cases the newer reflective foil insulation is being used as a supplement and to achieve the required R values, some types of this insulation can also serve as a vapor barrier. 

Very often EnviroGreen sees sub-floor insulation that is installed incorrectly. The two most common problems that usually need to be corrected are insulation that is installed upside down, and insulation that is not secured correctly.  A key indicator of a substantial moisture problem in the crawl space is when sub-floor insulation is pulled from its supports and starts to separate.  Condensation forms and makes the insulation to heavy for the insulation supports to hold. 

Insulation does play an important part of keeping your crawl space in a good condition.  The International Residential Code requires that sub-floor insulation be installed; if sub-floor insulation is not installed then the foundation sidewalls must be insulated. Generally if the insulation is installed correctly and is not severely separated we can re-tuck the existing sub-floor insulation, any insulation that has fallen to the ground is disposed of.  New insulation can then be replaced in the missing areas. Unfortunately when insulation is installed upside down and the craft paper is wet it must be removed and disposed of. EnviroGreen will evaluate the current insulation; if the insulation can continue to be used we will tell you.  If not, we will discuss available options with you, to provide you with the best and most cost effective solution.

Vapor Barrier

A crawl space vapor barrier is a high density material that prohibits water vapor from passing through it  Traditionally a vapor barrier was used to cover only the ground floor of the crawl space.  This prevents water vapor from evaporating out of the soil and moving up into the crawl space air.  This water vapor can cause excess humidity levels that also allow odors and bugs to become a problem in your crawl space and in your upper living spaces.  A crawl space vapor barrier should only be installed after any ground water problems are corrected. 

Water vapor is always evaporating from the ground, even if the crawl space floor looks dry, this water vapor evaporation is still occurring.  A vapor barrier is the easiest and most cost effective way to stop this problem.  A good vapor barrier can reduce humidity 15 to 30% depending on the type of installation.

A standard and commonly seen vapor barrier is made of 6-mil poly plastic. This is the minimally accepted material allowed by codes such as the International Residential Code.  This type of vapor barrier is used when a crawl space does not have a side wall water penetration problem.  Industry requirements for this type of installation are that the material must cover the entire crawl space floor and that seams should overlap 12 inches. EnviroGreen takes it a step further. For crawl spaces with slopes we pin the material with ground stakes to keep it in place. 

Understanding all of the problems that are occurring in your crawl space and why is extremely important when recommending a vapor barrier, that will last and perform as it should to provide the expected results of a clean dry crawl space.  That's why our crawl space specialists go in your crawl space and check from corner to corner.  We need to see what is going on to properly provide you the best cost effective solutions.

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