Top Reasons For Insulating Interior Walls

An image of the interior in a home, including a couch, nice windows, a table, and boxy lighting. You won't be able to see evidence of insulating interior walls here.

The insulation in your home’s walls helps to regulate the temperature in your home, keeping your home warm in the winter and cooler in the summer. However, your interior walls aren’t protecting your home from any elements, so is it necessary to insulate your interior walls?

In theory, yes, there are many reasons as to why you may want to look into insulating interior walls.

The Aspects of Insulating Interior Walls

There are many pros when it comes to insulating interior walls, regardless of what type of insulation you should use. While there are many pros, the cons are few, boiling down to basically the time, money, and hassle spent during the process. But, what are the pros to insulating your interior walls?

PROS

PREVENT MOISTURE ACCUMULATION

The air in your house can become humid, with droplets of moisture hanging heavy in the air. This doesn’t only feel uncomfortable in higher amounts, but it also can cause damage to your home. Humidity can sometimes accumulate inside the wall. This accumulation may result in fungus, mildew, leakages, and more. One these issues occur, your home’s very structure is at risk, and you’ll have to hire professionals to come out and remediate the issues.

When you have proper insulation, your home is less likely to swing wildly with humidity and temperature. A well-insulated home will have better temperature and humidity regulation, remaining at safe levels year-round. Insulating interior walls within your home may have a bigger impact than you’d think.

A STABLE INDOOR TEMPERATURE

If you live in an area that has differing seasons and weather, you may find that the temperature inside your home is affected by the outdoors. While this is true anywhere, those who live where temperatures reach extremes will notice this shift more. When your home is properly insulated, you’ll find that the temperature remains more stable.

This means that your heating and cooling systems won’t have to work as hard or as long to remain at consistent temps, saving electricity, making it energy efficient, and lowering energy costs. A stable temperature can also help reduce damage to your home caused by temperature shifts. Insulating interior walls helps to regulate temperatures greatly, keeping your home comfortable all year round.

NOISE REDUCTION

Insulation hinders sound waves, especially high-frequency waves, lowering the amount of sound that travels from one wall to another. Insulating interior walls are beneficial if you have a big lively family, or even if you just value your privacy. It will provide everyone with a peaceful private environment away from all hustle and bustle. Your neighbors may also appreciate it if your home is well-insulated, as noise can travel outwards just as easily. Insulating interior walls is exceptional for noise reduction.

FIRE PROTECTION

Insulation can add an extra layer of fire protection. However, the insulation used must be fire-retardant to provide any extra protection. For this purpose, it’s also best to use fire-resistant drywall, which increases the wall’s fire rating to a minimum of 1 hour, which is up from the 30-minute rating that you’ll get with the standard ½ inch drywall.

CHOOSE THE RIGHT INSULATION

Choosing the right insulation matters, and there are many different types. For example, if you’re looking for sound-deadening purposes, fiberglass, batt insulation, cellulose, spray foam, and rock wool are best. Fiberglass is the most DIY-friendly but does require the wall studs to be exposed for installation.

Cellulose is the least invasive approach to insulating pre-existing walls. While it’s recommended that you hire a professional to help when insulating interior walls, you’ll still want to consider the following when choosing which insulation works best for you:

Is it of good value?

Does it have a good lifespan?

Does it have good thermal resistance?

Is it fire-retardant?

Is the material overall safe for your health?

There are many valuable reasons as to why you should insulate both your interior and exterior walls. You’ll protect your home, make it safer, and more comfortable. You’ll also likely save money on heating and cooling costs, among many other reasons.

There is no evidence of insulating interior walls here. The image shows a living room decorated with nice furniture, art hangs on the wall, and sunlight beams through the window.

Insulating interior walls makes your home more comfortable to live in. Almost as comfortable as painting looks!

CONS

While there are plenty of valid reasons as to why you should look into insulating interior walls in your home, there are also a few reasons as to why you may avoid it, such as:

INTERIOR INSULATION CAN BE DISRUPTIVE

A significant factor that makes people prefer not to bother with insulating interior walls is the possible disruption and damage that it could cause. Depending on the type used, insulation may disrupt your home greatly, for this reason, many avoid insulating the interior of their home.

MAKES REPAIRS MORE COMPLICATED

Insulation inside walls could make repairs slightly more complicated. This is due to the fact that there will be more to work around within the wall. However, any professional should be able to navigate this quite easily.

TIME SPENT

Insulating interior walls takes time, and while it’s possible to do it yourself, you may find that it’s easier to hire a team of professionals to do it for you. Many people put off insulating their interior walls due to the fact it will take time and is a bit of a hassle. By hiring professionals, you’ll cut the hassle and the time spent significantly.

When you insulate your walls, you’re protecting your home both on the outside and the inside. Insulation regulates temperatures, reduces noise, and reduces fire risk. Your home will be more comfortable and safer when the interior walls are insulated. While doing so may cost time and money, it’s often a worthwhile investment that has the potential to increase the longevity of your home greatly.

We may not be able to insulate your walls, but we can help you see what they’d look like if you were to change things around.

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FREQUENTLY ASKED QUESTIONS

1. Can You Insulate Interior Walls Without Removing Drywall?

Yes, you can sometimes insulate walls without removing drywall, usually done through injection foam insulation.

2. How Much Does It Cost to Insulate Interior Walls?

The average cost usually ranges from $1 to $2 per sq. Foot. This cost can change at any time and may vary depending on the style and your location.

3. Do Interior Bathroom Walls Need Insulation?

Adding interior insulation to your home office, game room, kids’ playroom, or even your bathroom can be a good idea. This helps reduce moisture and can increase the longevity and safety of your home.