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That depends on the type of insulation you're using! For example:
|Insulation Type||R-Value Per Inch|
There are several types of insulation available for homeowners wishing to finish their basement or upgrade it for enhanced energy efficiency.
Each type will have its own strengths and weaknesses and should be evaluated so you can choose the one that best suits your priorities and fits the unique situation in your basement.
For example, if basement flooding or moisture is a concern, you'll want to be especially sure to choose closed-cell spray foam or rigid foam, since neither insulation type will be damaged by water or support mold growth.
If you're hoping to air seal your home, then spray foam will likely be at least one piece of your solution.
We can help you choose the best way to insulate your basement and improve its energy efficiency! To schedule your free basement insulation estimate with your local Basement Systems Dealer, contact us by phone or e-mail today!
The insulation you use should be customized to the job called for. For example, blown fiberglass insulation, which is a great idea for insulating an attic, should not be considered at all in a basement environment. Likewise, fiberglass batt insulation is a bad idea for insulating an attic, which requires a very thick layer of insulation (at least 16 inches).
Below, we outline the advantages about disadvantages of four types of basement insulation:
Fiberglass insulation is made from extremely fine fibers of glass. This is often installed in the form of "batts" on a basement wall, with insulation that has a cottonlike texture and is pink or yellow in color. This insulation is attached by adhesives to tall rectangular strips of paper.
Fiberglass is an inexpensive insulation material that's popular among "do-it-yourselfers" for insulating wall studs before finishing the basement. It's readily available at most hardware stores and box stores, and its lightweight, removable design makes it a popular choice.
While fiberglass insulation is excellent in above-grade spaces, it's a notoriously poor choice for basement insulation. Fiberglass can become saturated with moisture from basement flooding, water leaking through walls, and even from water vapor passing through the pores of concrete. Wet fiberglass loses much of its insular value, and as it becomes weighted down it sags, leaving gaps in the insulation at the top. Over time, wet fiberglass will support mold and mildew growth.
This insulation forms an expanding foam as it's sprayed. Open-cell foam insulates but cannot seal out moisture.
Open-cell spray foam is also used for air-sealing and insulating, but it's not a good choice for basement applications. Closed-cell spray foam has a higher insulation value: about R-6 per in. compared to R-3.7 per in. for open-cell spray foam.
Also, open-cell spray foam doesn't form a moisture barrier like closed-cell foam does, so it can't seal out moisture --a valuable quality in basement and crawl space areas.
This insulation forms an expanding foam when sprayed. Closed-cell spray foam creates a vapor barrier as applied.
Closed-cell spray foam is often used to air-seal the basement's rim joist and other leaks that waste energy. The rim joist (aka band joist) extends around the perimeter of the house, typically resting on the mud sill or directly on top of the foundation.
Knot holes, cracks and gaps above and below the rim joist create many pathways for air to leak into a basement, but these leaks can be sealed effectively with closed-cell spray foam.
In this application, the foam's most important function is air sealing rather than insulating. This sealing work is also useful for all the holes, cracks and gaps that allow basement air to leak through the floor structure and into the living space above.
Closed-cell spray foam comes in two forms. Pressurized cans of "one-part" spray foam are available at hardware stores and home centers. But insulation contractors often use "two-part" spray foam that combines two compounds at an application nozzle.
Rigid foam panels are made with foam insulation that has been shaped into stiff wall panels that are mounted on your walls or between studs. These panels typically use a closed-cell insulation design.
Rigid foam panels are lightweight and easy to install. Channels can be cut by the installer to accommodate pipes, wires, and similar obstacles, while the panels can also be customized to work around more significant obstructions.
Rigid foam insulation is often combined with sections of more expensive, closed-cell spray foam, which seals small cavities and areas where it would be difficult for rigid foam paneling to be properly installed.
Rigid foam panels will create a vapor barrier on your basement walls that will keep back water, water vapor, and humidity that could otherwise build in the basement and contribute to humidity levels and, subsequently, mold.
Our certified dealers can professionally install our Basement To Beautiful™ Insulated Panels in your home.
These innovative panels combine our advanced graphite particle infused polystyrene foam insulation (rigid foam panels with graphite) with a durable metal stud system.
Once installed, your basement walls will be prepared for finishing, with an industry-leading R-13 insulation rating.
More on Basement To Beautiful™ Panels
In lieu of insulating the basement, many homeowners instead opt to insulate the floor joists on the basement ceiling with fiberglass batts.
This has the advantage of providing some energy savings, while the fiberglass batts also provide sound-dampening, allowing for a quieter walk across on the floor above the basement.
However, while the living space of your house is insulated, the basement is not. The space is filled with air ducts and hot water pipes that are best kept hot -- as well as your furnace and water heater.
These utilities will have to work extra hard just to do their daily job. As they work hard, you pay more.
How much can you save by insulating your basement walls? Here's what the USDOE has to say:
|US Cities||At R-10 Insulation||At R-20 Insulation|
|St. Louis, MO||$250||$290|
Our basement experts can help you insulate your walls for added comfort, value, and energy savings in your home. Our basement insulation products will get your basement ready for finishing and help you save hundreds of dollars on your utility bills.
To learn more about how we can help you, contact us today to schedule a a free, no-obligation basement insulation estimate! The free estimate you receive will include an on-site professional inspection and consultation, as well as a written estimate on the cost of any work you'd like done. Before your free estimate, we'll also send a complimentary copy of our full-color basement book, filled with information about basement repair and improvement, as well as how our products will help you.
We have locally owned and operated Basement Systems Dealers serving throughout Canada and the United States. We look forward to hearing from you!
Looking for a price? Get a no cost, no obligation free estimate.
Our innovative and forward-thinking approach to designing products has solved wet basement problems that the basement waterproofing and crawl space industry has faced for decades, and our patented sump pump systems are the smartest and most reliable. Plus we listen to our customers and respond accordingly! Basement Systems Inc. has been awarded 24 Patents and 19 Innovation Prizes on waterproofing products we use every day, including a battery back up sump pump system. This approach ensures the best waterproofing systems and solutions available.