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Crawl space encapsulation keeps moisture out of that space under your house and improves the air down there. This usually involves covering the area in plastic that’s sealed at all seams and installing a dehumidifier in the crawl space to keep moisture levels low.
Is it good to encapsulate a crawl space?
Moisture in your crawl space will only lead to structural damage over time. The vapor within the crawl space can rot your home’s wooden frames and flooring. Encapsulating the crawl space keeps away moisture. In addition, encapsulation helps keep dangerous pests like termites out.
Is crawl space encapsulation worth the cost?
Crawl space encapsulation cost is not cheap but is worth the money, effort, and time. You will save money on your energy bills, decrease pest infestation and build-up of mold and mildew, and protect the foundation of your home for many years to come.
What are the cons of encapsulating a crawl space?
Negatives of Encapsulating a Crawl Space Encapsulation is not Cheap. Encapsulation May Require Additional Crawl Space Insulation. Encapsulation May Require HVAC Upgrade. Encapsulation Requires More Maintenance. Dehumidifiers Require Routine Maintenance.
How long does an encapsulated crawl space last?
Generally speaking, most companies will offer a warranty of between 15 and 20 years for a typical crawlspace encapsulation project. However, if the humidity levels are controlled and no catastrophic events such as flooding occur, a properly encapsulated crawlspace can last for more than 20 years.
Does encapsulating a crawl space increase home value?
Encapsulating the crawl space helps control moisture and ultimately increases your home’s value. While not as fancy as other home improvements, crawl space encapsulation is essential for your home.
Does an encapsulated crawl space need a dehumidifier?
Every encapsulated crawlspace needs a drying mechanism. Our favorite is a dehumidifier (we’ll explore why in just a moment), but it’s common for contractors to dry your crawlspace using the “supply air” method. In some homes, supply air may do a good job of drying out the crawlspace.
Should a crawl space be sealed?
Yes, you should. All crawl spaces should be completely sealed and isolated from moisture in the air and from the ground.
Is crawl space encapsulation tax deductible?
If you finish the basement of a rental home to add living space? This is an improvement you can deduct. Likewise, if you encapsulate the crawl space to provide additional storage to your renters, or if you install a dehumidifier to improve the air quality for your renters.
Should crawlspace vents be closed in winter?
When temperatures drop below the freezing point, water pipes in the crawl space are bound to freeze if the vents remain open. It’s a good practice to close off the vents in winter. Doing so prevents the dry, cold winter air from freezing the pipes inside the crawl space.
Does an encapsulated crawl space need insulation?
You don’t need to insulate an encapsulated crawl space. Crawl space insulation can be applied between the joists or on the walls of the crawl space. If the crawl space is vented then joist insulation is recommended. If the crawl space is encapsulated either can be used but we recommend insulating the block walls.
Should my crawl space be vented?
Building codes generally require working vents in the crawlspace to allow outside air to circulate under the floor in the summer to prevent moisture buildup that, among mildew and mold, encourages wood rot.
How do you keep groundwater from entering your crawl space?
5 Tips to Prevent Water in a Crawl Space Know Your Home. How familiar are you with your home? Install a French Drain. Many homeowners protect their crawl spaces by installing a french drain. Seal Cracks. Use a Dehumidifier. Install a Sump Pump.
What is the difference between a vapor barrier and encapsulation?
A vapor barrier reduces the chances for ground water to evaporate in the crawl space. A better option is a process called encapsulation, which is usually done once water management has been completed in the crawl space.
What kind of dehumidifier do I need for crawl space?
In a crawl space, having a high-performing dehumidifier is important. We highly recommend that you choose a 50-pint or above for this area. This will ensure the machine is working hard at keeping the area dry.
Can crawl space be too dry?
It is good practice to place a meter in the crawlspace that will monitor the relative humidity. Relative humidity should be kept below 70%, yet not too dry. “You can over dry a crawlspace,” he says. “If the wood moisture content is drawn down from 60% to 5% you will definitely see shrinkage and cracks in the floor.
When should I turn off my crawl space dehumidifier?
Make sure you run your home or basement dehumidifier only when the relative humidity goes above 50%. Running a dehumidifier 24 / 7 results in higher power consumption and electricity bill charges.
Should I cover my crawl space with plastic?
A: The plastic cover or vapor barrier is definitely needed, especially in a dirt-floor crawl space. Without a vapor barrier, moisture will migrate to the surface of the soil and eventually cause serious problems in the crawl space, including mold and possibly structural rot. The plastic should cover the entire floor.
How should crawl space be finished?
The best way to finish a crawl space is in a way in which the moisture can be controlled, doesn’t support the growth of mold or mildew, and can adequately protect your belongings when stored. Correctly finished crawl spaces are best protected with a plastic vapor barrier.
Can I put a box fan in my crawl space?
For years, humidity- or time-controlled fans placed under a vented house have been the recommended way to help dry a too-wet crawl space. A simple box fan can be purchased economically to stimulate air circulation under a crawl space, but make sure its electrical source is suitable for that application.
