Updated at: 04-08-2022 - By: cnbusinessnews

You might have pondered, “What type of insulation is least prone to water damage?” Anyone who has ever lived in a wet area may certainly relate to this problem. As a result of its effectiveness against all three climate extremes, insulation sheets have become a common material choice.

It is perfect for noise reduction since not only does it absorb sound, but it also acts as a barrier. All types of insulation, including those that are waterproof, will be discussed.

What Is Insulation?

Any material that is stuffed into crevices around your home, such as those behind walls or up in the ceiling, is considered insulation. It is possible to slow the rate of heat transfer by using either reflection or absorption.

Soundproofing, electrical insulation, and thermal insulation are all within reach. Adding thermal insulation to your home or business is a great way to cut costs and increase comfort. Thermal insulation acts as a barrier to reduce and impede heat loss or gain between two locations with very different temperatures.

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How does insulation work?

It is a well-known fact that heat travels upwards in the atmosphere. In the winter, heat is transferred straight from sources of warmth (such as your home) to areas of lower temperature (like the outside). In the summer, your home’s exterior heats up and transfers that heat into the interior, where it is much cooler.

Using insulation to slow the transfer of heat between the interior and exterior. The installation of insulation can help retain heat during the winter and prevent excess heat gain during the summer, both of which can significantly reduce your home’s energy consumption (retaining the cold air and keeping the interior comfortable).

Insulation, if put correctly, can improve a home’s comfort by helping to keep the temperature uniform throughout. Insulating your home can significantly save your heating and cooling bills.

8 Benefits Of Home Insulation

1. Save 75% Of The Heat In Your Home

This is most glaring first thing in the morning. You have to force yourself out of bed because the cold of the floor between your bedroom and kitchen is intolerable. Avoiding drafts is the most challenging aspect of braving the cold in the mornings. Location and the number of winter months in your area determine the insulation “R-values” necessary to stop air flow. Residences in Colorado have a lower R-value than their counterparts in Arizona.

2. Lower Your Heating Bill

By extending the duration that heated air stays inside your home, you can reduce your heating costs during the winter. In the long term, you’ll come out ahead.

3. Reduce Your Carbon Footprint

Most people don’t realize this, but their “carbon footprint” is proportional to the amount of carbon dioxide and other carbon compounds they release into the atmosphere. In addition to reducing individual consumption, returning to grid power is necessary. According to Dr. Jonathan Levy, Professor of Environmental Health at Boston University, insulation based on the 2012 International Energy Conservation Code (IECC) would lower household electricity use in the United States by about five percent and natural gas use by more than ten percent.

4. Increases Comfort

That dreadful sensation of having to force yourself out of bed on a morning when it’s too cold to go outside or when the floors of your home are too frigid to bear. Many people engage an insulation professional to make their homes more comfortable. Since you have worked so hard to pay your mortgage, you deserve a cozy spot to relax after a long day.

5. Enhance The Value Of Your Home

The average increase in a home’s value is $20 for every $1 saved on annual electricity costs. Insulation projects often have a payback period of ten years or less, meaning that the initial investment is more than covered. Keep the value of your house rising even if you have no plans to sell.

6. Insulation Comes With A Myriad Of Options

It makes no difference if your home was constructed in 1905 or this year. Whatever your home’s style or construction, there is an insulation option that will work for you. Home insulation is often installed in stages to reduce initial expenditures and increase long-term savings.

7. Rebates!

There are a number of rebates and discounts available from Xcel Energy for home energy audits and other services that reduce your monthly electricity costs. Because Xcel knows that we consumers gobble up electricity like a Sunday morning hot breakfast, the company will offer you incentives to cut back on your usage. There are numerous deals available.

An energy audit can help you determine which parts of your home need maintenance right away.

8. Health Benefits

The immune system is known to be compromised by colder temperatures. We don’t wear shorts and a t-shirt to go outside in the dead of winter. We’re getting ready for the cold by bundling up! If you have to deal with the cold all year round, your chances of being sick go significantly up.

Different Types Of Insulation


Temperatures below freezing are known to suppress the immune system. We don’t go outside in the middle of winter dressed only in shorts and a t-shirt. We’re preparing for the chilly weather by layering up. You greatly increase your odds of getting sick if you have to endure the cold all year long.


Cellulose insulation, which may be made up to 80 percent from recycled materials, is one of the greenest alternatives available. If you need to muffle noise, there’s nothing better.

Spray foam

You can save money on heating and cooling by using spray foam insulation to fill up cracks and fissures in the walls.

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Radiant barrier

To help reduce the amount of heat absorbed by a home from the sun, radiant barrier insulation can be placed in the attic.

Rigid foam

Cuttable foam panels are used for cutting rigid foam insulation, also known as rigid board insulation. New structures typically incorporate it as insulation throughout the building process.


Rockwool (also known as mineral wool) insulation is manufactured by spinning a variety of rocks and minerals into very fine fibers that are resistant to high temperatures.

Where Can I Insulate?

Insulation for basements

Your unfinished basement still has great promise as a cost-cutting energy oasis. It’s possible to save hundreds of dollars annually by insulating your basement.

Crawl space insulation

Although crawl space insulation is just as important as basement insulation, it is often overlooked. Even if you don’t regularly utilize your home’s heating system, crawl area insulation can assist prevent heat loss.

What is the best type of insulation to stand water damage?

Adding insulation to your property, like any other renovation, can raise its resale value. It’s possible that the “best” insulation for your home is a mix of different types of insulation, each with its own set of pros and cons.

Cellulose’s high water resistance and its usage of 80 percent recycled components make it a favorite among eco-conscious consumers.

Since it is both inexpensive and high-performing, fiberglass sees extensive use. Fiberglass is far superior than other materials as a sound barrier, and it also improves indoor air quality. The fact that it is made of microscopic strands of glass makes this material completely watertight.

Can insulation be waterproofed?

Insulation in the basement, for example, can be waterproofed. Waterproofing is useful not just for the ground level but also for the crawl space above it. Whether or not you need encapsulation or insulation depends on factors including the type of flooring and plumbing you have.

Preventing Damage to Insulation Systems

Moisture Is a Problem

The most common reason for insulation failure, independent of its intended function or operating temperature, is moisture. The most prevalent cause of insulation system failure is moisture that gets in via the jacketing and becomes trapped inside.

A permeable insulation should not theoretically absorb moisture if it is adequately jacketed. In certain crucial uses, like chilled water, where air’s high vapor drive can cause damage in both liquid and gaseous forms, even a tiny hole or crack can allow moisture to enter the system and lead to malfunction. In high-temperature applications, workers’ lives could be in danger. The severity of moisture issues varies with the temperature range of a system.


In addition to being absorbed directly, water vapor can diffuse into the system and condense as a liquid or ice. The rate at which water vapor can penetrate insulation is accelerated by temperature changes between the outside and the insulated equipment. Consequently, the insulation’s vapor-transmission rate is more important than its initial thermal conductivity.

High Temperature

High-temperature systems may experience complications if the material is coated with a water-repellent substance or has porous insulation. A few hours of exposure to these conditions can completely soak insulation. Most water-repellent coatings break down at temperatures as low as 265 degrees Fahrenheit. Even if the process heat raises the water to the required temperature of 212°F, some water will always remain in the insulation layers below that threshold, resulting in significant heat loss and a compromise in process control.

It is ideal to prevent system damage by using insulation systems that do not rely on vapor retarders or jacketing to keep moisture out of the system.

Accessories Are Important

However, while the insulating material’s physical and performance attributes are often prioritized, the value of ancillary items is often overlooked.

Some people treat accessory goods as if they were generic. However, past experiences have shown that if high-quality, appropriate accessories are not used, the performance and dependability of the entire insulation system could be impacted.

The only way to guarantee peak performance is to take a “total-system” approach to design. A total-system approach only requires the usage of accessories that have been tested and recommended to work with the specific type of insulation being installed. The best and most reliable insulating system can be obtained with this approach.

Coatings employed in the components of a system should be evaluated for their chemical resistance, weatherability, and esthetic appeal. Testing adhesives and sealants with a particular insulation material is necessary to avoid water vapor intrusion, especially on below-ambient and cyclic systems or systems that are routinely cleaned down. The best protection against moisture-induced insulation failure is the use of impermeable insulation products.

A jacketing is necessary for mechanical protection above and below ground if the insulation substance is impermeable. For subterranean uses, bituminous jackets prevent water and water vapor from entering the pipe, while metal jackets safeguard it from mechanical harm.

Preventing Corrosion under Insulation

Corrosion of metals beneath insulation is just one of several problems that can be brought on by moisture (CUI). When carbon steel or stainless steel is exposed to water, corrosion or stress cracking can occur. Insulation and an outer covering can make it invisible for a long time.

Carbon monoxide penetration is difficult to detect when damaged equipment and insulation must be replaced (CUI). This is an expensive possibility due to the possibility of downtime, lost output, or even a complete shutdown of the plant. A unexpected leak can happen at any time, and depending on the system type, it could lead to the release of dangerous materials.

Using a vapor retarder to protect your system from CUI is one option. But it’s possible that these don’t provide absolute safety from CUI. Insulation can also be protected from moisture intrusion by using flexible cauls, commonly known as moisture-resistant vapor retarders.

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Steel can be protected from water’s damaging effects by having a corrosion-resistant coating put to its surface. Ultimately, jacketing and sealants are more likely to fail owing to system movement or external physical damage than an insulation material that does not absorb moisture or contribute chemically to corrosion.


You may save money on your energy bills and keep your home at a comfortable temperature year-round by installing fiberglass insulation. Foam board insulation has a high R-value but a low perm rating because to its slow water dispersion rate.

We hope this article helped answer your question about which types of insulation are least vulnerable to water damage.