Crawl Space Cleaning IN GREENSBORO, NC

Crawl Space Insulation

Should you put plastic in crawl space?

To regulate moisture and establish a barrier against vapor, homeowners cover their crawl rooms with plastic. Condensation can permeate your home's walls and insulation without such a barrier, posing a significant risk of mold and mildew growth. Plastic sheeting can also be used to convert a crawl space into functional storage space.

What R-value insulation do I need for crawl space?

Fiberglass insulation batts or rolls are the most cost-effective and simple DIY option for insulating between crawl space floor joists. Underfloor insulation should be R-11 (312") in warm climates and R-25 (6" to 8") in cold climates.

Can I use wall insulation in the crawl space?

The preferred insulation for crawl space inside walls is two-inch expanded polystyrene foam board. Rigid foam insulation can be used in any form of masonry wall, including concrete, block, brick, and even stone. This type of insulation can be faced with silver foil that faces inward toward the crawl space.

Should you use faced or unfaced insulation in a crawl space?

Faced insulation is ideal for crawl spaces because it includes a moisture barrier that prevents moisture from entering into the air beneath your home. However, if you need to add another layer of insulation to fulfill the specified R-value, utilize unfaced insulation.

How do I keep my insulation from falling down in my crawl space?

Radiant barriers aid to limit heat loss through radiation and make it easier to seal seams against air movement. Because it will not be damaged by water, lose R-value, compress, or fall out of position, this type of insulation is perfect for use in crawl spaces and basements.

Does rigid foam insulation need to be covered in crawl space?

If your rigid foam insulation is installed in a living area, such as a finished basement, it must be covered. It does not, however, have to be enclosed in a crawl space. Rigid foam insulation is primarily comprised of polystyrene, a plastic.

What R-value insulation do I need for crawl space walls?

You'll need a varying R-Value depending on where you reside and what area of your home you're insulating. R-13 through R-23 are typical external wall recommendations, whereas R-30, R-38, and R-49 are standard ceiling and attic space requirements.

Can I leave rigid foam exposed?

According to tests, these laminated boards may endure UV light damage for a reasonable amount of time. Having said that, it is still recommended to cover any foam board insulation exposed to the sun within 30-60 days at most. That is usually more than enough time to complete the external walls on most projects.

Does fiberglass insulation need a vapor barrier?

Fiberglass insulation, like other batt-type insulation, has a predictable R-value when not squeezed, however it is difficult to fit around obstacles without gaps. A vapor barrier is required in most climates.

How can I insulate my house cheaply?

Ways to keep your house warm on the cheap make your home draught-proof. Insulate your pipes. Replace your drapes or blinds. Install carpet underlayment. Rearrange your furniture. Increase the insulation on your roof and in your loft. Improve the floor insulation.

Why is my house so cold even with heating on?

Your home may be cold owing to a clogged air filter, a broken furnace, inadequate insulation, or leaking ductwork. Straightforward fixes, such as replacing an air filter, are relatively simple to accomplish. If the heater itself requires repairs, it's better to call in an expert to inspect it and diagnose the problem.

Can too much insulation cause mold?

It is possible to over-insulate your home to the point where it cannot breathe. The purpose of home insulation is to tightly seal the interior of your home. However, if it is overly sealed with too many layers of insulation, moisture can become trapped inside those layers. Mold begins to grow at this point.

How do you mold proof a crawl space?

Check that all gutters and downspouts are in good functioning order. Ensure that the below-ground walls are free of fractures. Examine for any leaks near HVAC ducts, pipelines, and plumbing components and fixtures.


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Please take a few seconds to read our responses to the most frequently asked questions about our services.

Which insulation is better fiberglass or foam?

Spray foam insulation has a greater R-value than fiberglass insulation, making it a more effective insulator. Another distinction is that spray foam is watertight, but fiberglass fractures when exposed to moisture. Spray foam, on the other hand, must be installed by an expert, but fiberglass is simple to install oneself.

How much heat is lost through the floor?

More than 10% of a typical home's heat is lost via the floor. across the floor This proportion can be substantially greater depending on the substance of your home's floor.

Is foam board a fire hazard?

When rigid polyurethane and polyisocyanurate foams are ignited, they burn quickly and produce high heat, dense smoke, and irritating, combustible, and/or poisonous gases.

Does drywall act as a vapor barrier?

Unpainted drywall has an extremely high permeance, typically between 20 and 90, hence it is not a vapor retarder at all. Meanwhile, under the same conditions, air leakage through a 1 square inch hole in drywall allows 30 quarts of water vapor to pass through the drywall. A third of a quart as opposed to 30 quarts.

Why do lenders not like spray foam insulation?

By sealing the roof area with this material, air circulation can be restricted to the roof and timbers. This can cause moisture, which can eventually destroy the timber roof supports.

Cities We Proudly Service

To see all of the cities where we provide crawl space waterproofing services, use the dropdown menu below.

Service Areas

Guilford County, NC

  • Browns Summit, NC

  • Climax, NC

  • Colfax, NC

  • Gibsonville, NC

  • Greensboro, NC

  • High Point, NC

  • Jamestown, NC

  • Julian, NC

  • Mc Leansville, NC

  • Oak Ridge, NC

  • Pleasant Garden, NC

  • Sedalia, NC

  • Stokesdale, NC

  • Summerfield, NC

  • Whitsett, NC

Alamance County, NC

  • Alamance, NC

  • Altamahaw, NC

  • Burlington, NC

  • Elon, NC

  • Graham, NC

  • Haw River, NC

  • Mebane, NC

  • Saxapahaw, NC

  • Snow Camp, NC

  • Swepsonville, NC

Forsyth County, NC

  • Belews Creek, NC

  • Bethania, NC

  • Clemmons, NC

  • Kernersville, NC

  • Lewisville, NC

  • Pfafftown, NC

  • Rural Hall, NC

  • Tobaccoville, NC

  • Walkertown, NC

  • Winston Salem, NC

Crawl Space Encapsulation
Crawl Space Vapor Barrier
Crawl Space Mold Removal
Crawl Space Waterproofing
Crawl Space French Drain
Crawl Space Sump Pumps
Crawl Space Cleaning
Crawl Space Insulation
Crawl Space Dehumidifiers
Crawl Space Water Removal
HVAC Duct Cleaning

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Contact Information

Phone: 336-707-0498

Address: 4805 Woodcock Dr,

Greensboro, NC 27406

Business Hours:

Mon-Fri: 8:00 AM - 5:00 PM

Sat- 7:30 AM -12:00 PM

Sun: Closed



Servicing Greensboro, NC and Nearby Cities

Clean Air solves moisture and mold problems in Greensboro, NC and the surrounding areas by providing crawl space and basement waterproofing, crawl space encapsulation, and foundation repairs.

Related Services in Greensboro, NC

Please see the list of frequently requested services below. If you have a flooded crawl space due to a lack of a french drain or sump pump, we can help. If mold development has occurred in your crawl space as a result of high humidity levels, we will ensure that it remains clean, dry, and healthy!

Crawl Space Vapor Barrier Installation

Installing a vapor barrier in the crawl space is a low-cost solution to moisture control problems. Vapor barriers in the crawl area are used to keep moisture, water, and damp air from entering the home via the floor. This helps to prevent the spread of mold and mildew, which can cause structural damage and make living conditions uncomfortable for your family!

Crawl Space Mold Remediation

Mold removal from the crawl space is one of the most important chores in resolving moisture control issues. Mold may quickly become a major issue in a home, and those that move fast to clean up and treat the situation have a higher chance of keeping it from spreading. If you eliminate the mold before it spreads throughout your home, you will save time and money.

Crawl Space Waterproofing

Crawl Space Waterproofing is a must-have. It not only protects your home from water damage, but it also protects you from the health and safety risks that mold brings!