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Cheap Insulation Types for Homes

Cheap Insulation Types for Homes

Insulation is an important part of any home as it is the one responsible for regulating the temperature inside. This is why we made this list of cheap insulation types for homes so that you can install insulation in your houses without overspending. 

There are many types of money-saving insulation materials available on the market, whether you are looking for something environmentally friendly or one with a high R-value. It is the measure of its effectiveness in thermal resistance. The higher the R-value of your insulation, the more it can provide adequate insulation. 

What Is Insulation and How Does It Work?

Insulation is a material used in infrastructures to control the temperature inside. It acts as a blockade to keep the heat or cold air inside your home and prevent them from going out. Doing so keeps your systems from being overworked, saving you up on costs in energy. To ensure that your insulation will do its job, check if its R-value is high and installed correctly. Looking into cheap insulation types for homes is a great way to ensure that you do not spend too much money while keeping your home well-insulated.

Here’s a video of a home insulation with great details.

Types of Cheap Insulation 

Here are some different cheap insulation types for homes: 

Blanket batts and rolls 

Made up of fiberglass, you can also find some that are made of plastic fibers, cotton, and mineral/sheep wool. The R-value of blanket and batts will usually measure up to R-2.9 to R-4.3, depending on what type of material you will go with. It is also and low-cost type of insulation that you can install yourself, saving you even more money on installation costs. 


Polystyrene is another inexpensive insulation material that is perfect for insulating both sound and temperature. It has a distinctively smooth surface that differs it from other insulation materials. Its R-value ranges from R-4 to R-5.5, this will depend on what type of polystyrene you use. The two types are, expanded (EPS) or extruded (XEPS). 

Spray Foam Insulation 

A great way to fill the gaps and leaks that can be found on your walls. It is also cheap and accessible to anyone and takes up less space compared to other insulation materials. Once sprayed onto your walls, it will solidify and can be painted on to match your walls.  

Cellulose Insulation 

Usually made up of recycled paper and cardboard, cellulose insulation has a high R-value and it is not that expensive as well. It can also be placed over pre-existing insulation materials to add more protection. You can also install this by yourself so that you will not spend money on installation. 

Radiant Barrier 

This type of insulation is more effective in warmer climates. Radiant barrier or reflective insulation deflects the heat from your home instead of absorbing it. Usually composed of aluminum combined with other materials such as plastic or cardboard. This can also be treated as a DIY job and save you a few hundred dollars. 

There are more other cheap insulation types for homes, but those listed above are your best bet when looking to save some money. Just be sure to find what is best for your house and what you can afford without losing quality in the process. 

Learn more about the cost of insulation with this home insulation cost calculator.

The Primary Benefit of Home Insulation

home insulationTime and again, we’ve heard people talk about the many advantages of insulating homes. But what really is the primary benefit of home insulation? Is it even necessary to insulate your home when there are already so many expenses when it comes to home building? Truth is, insulation is not a luxurious benefit for homeowners. It is an essential, a necessity. Most United States home already have insulation applied in their home no matter the climate in their area, whether it’s mostly warm or cold.

Many would install insulation with the belief that it will help decrease energy costs. That is 100% true. Because of the ability of proper insulation to stop air leakage and control the temperature indoors, the AC or the heater, no matter which one needs to operate depending on the current climate or whether, doesn’t have to work twice or thrice as much just to cool or heat a room. Poorly insulated homes usually end up with high energy bills because their air conditioners and heaters exert too much effort just to get to their desired temperature.


What is Injected Foam Insulation?

injected foam insulationInjected foam insulation is a type of insulation in which the enclosed cavity is sealed, for instance, air leaks in the existing walls. This type of insulation is entirely worth it, for it doesn’t lose its shape, sag, and compress over time. The injection foam fills the gap without requiring a complete overhaul of the property.

The injection foam insulation works just like any other insulator. It blocks the air leak ensuring optimum utilization of air conditioners and heaters while preventing overuse of electricity otherwise. A room or house with air escapes or hole consumes more power than required as cool and warm air is leaked through the gaps in between the doors, windows, existing walls, attic and more.


Best Insulation R-Value

Energy Star, a government-backed symbol for energy efficiency, recommends different R-values for insulation depending on the geographic location of the property. Depending on the climate of your locality, you can decide which r-value insulation suits you the best. Is the lowest r-value or the highest r-value that you should go for? 

Knowing this information is essential especially when you’re in the process of choosing the right insulation you need for your home. However, when you’re working with a dependable and reputable insulation contractor, they will also surely recommend the best kind of insulation according to your needs. Let us look at a list of lowest to highest R-value insulation.

Insulation R-Value

1. Cellulose: cellulose is the lowest r-value rated insulation with its r-value ranging between R-3.2 and R-3.9 per inch. Cellulose is the least expensive and easy to install. A thick layer of cellulose can be installed to provide high resistance to heat.

2. Fiberglass: next to our list is fiberglass, with again low r-value ranging from R-3.1 to R-4.3 per inch. Fiberglass insulation is primarily installed between studs, rafters, and joists.

3. Spray Foam: Spray foam insulation is available in two types – open cells and closed cells. Open-cell spray foams have an r-value of R-3.5 per inch, while the closed cells have has an r-value of R-6.0 to R-6.5 per inch.

4. Rigid Foam Board: Rigid foam insulation is available in the market in different materials polystyrene with r-value ranging between R-3.8 to R-5.0, polyurethane with an r-value of R-5.5 to R-6.5, and polyisocyanurate with R-value of R-5.6 to R-8.0.

You can know the best r-value for your house either by contacting a professional or consulting your neighbors who have already insulated their houses. It is always a good idea to have the right insulation in place to ensure the effective utilization of energy.

Installing Roof Insulation

Roof InsulationInsulating the roof of your house can keep your home warmer in winter and cooler in summer. It can also help reduce utility bills and, of course, increase the overall comfort in your home. Follow the guide below for easy installation of roof insulation.

1. Contact an Electrician: Before beginning to install roof insulation contact an electrician to check the condition of the wire. If you own an older house, get the pipes checked for any leakage.


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