The insulation R value of wood isn’t high, coming in at anywhere between R- .71 to R – 1.5 on average. There are many other insulation materials that have a much better rating. For someone who has a house that is constructed of hardwood and is missing insulation between the wood and the drywall, this could be causing you to lose money and you could also be wasting energy. Although the r value of wood isn’t as poor as other materials such as brick, there are much better insulations out there that consumers can take advantage of.

Wood has very poor insulation r value.

A cellulose or fiberglass spray can be filled in between the hardwood framing of the home and the drywall to provide a much better barrier. When the house is insulated more efficiently there is less air from the outside entering the home, and less air from the inside escaping the home. This allows the house to stay cooler in the warmer months and warmer in the cold seasons. This also allows the heating units or air conditioners to use less energy because they don’t have to work as hard to monitor and maintain the temperature throughout the home. Lower energy bills saves money and less work on machines increases appliance life.

For those building new home, a vacuum insulated panel or polyurethane foam is a great option to include in the house, since these are two of the best products on the market. Insulating your home properly is going to save you money and save energy for the planet. Be sure that you consider the r value of the insulation before purchasing, because this is the amount of thermal resistance the insulation has to provide. The r value of wood proves that wood is not the most efficient insulator, so it’s wise to use another option in combination with the wood.

For a basement wall you want to have the approximate R vale of 13.0. The R value is the amount of thermal resistance the wall is going to provide. Since most basements are constructed of poured concrete or concrete blocks, there is a lot of insulation that will need to be added during the construction process. This is because the R value of concrete is among the lowest of materials, and it won’t provide the basement with a fraction of the amount of resistance that is needed.

Spray foam insulation is particularly recommended on the basement and attic.

There are many different products that can be added to increase the amount of insulation that’s needed. A polyurethane foam or silicone foam can be installed into the concrete blocks, and often this is blown into the blocks with a machine. The foam will expand into all of the tiny cracks and crevices, ensuring that there are no gaps leading outside of the basement into the earth or air. The owner may also choose to finish off the basement, adding polyisocyanurate sheeting to the walls, and then covering the sheeting with drywall. Both of these are extremely efficient options to choose when insulating a basement. There are many benefits to insulating the basement properly.

Basement insulation

When the basement is insulated as it should be, the home can run more efficiently. The main heating and cooling systems are often stationed in the basement, and can use less electricity and energy when it’s easier to maintain a constant temperature. The insulation is also great for protecting from water and weathering damage that can occur in the basement as well. For someone who is looking to finish a basement or is interested when building a new home how insulated the basement needs to be, its crucial to remember that you want to have at least a 13.0 R value.

An important thing to remember when purchasing insulation or when making a choice is that you want to get a product that has the best R value, and not judge insulation by its weight or thickness. The R value is the amount of thermal resistant that the insulation provides, so the better the R value rating the more efficient the insulation is going to be at keeping cold and hot air out of your home or building. The type of insulation that you choose will have an effect on the value, along with the installation process.

Some newly developed insulation material like the one in the above picture is extremely durable and offers high r value.

Having the most efficient insulation is going to help with keeping heating and cooling costs down throughout the year, saving the homeowner money and also saving energy and power. When the air conditioning unit and heating unit don’t have to work as hard to keep the house at an accurate temperature, this saves energy and it also saves the life of the unit as well. Many homeowners aren’t even aware that they are losing money and wasting electricity because they live in a poorly insulated home, and there are different ways for professionals to test the efficiency of the insulation.

You can choose to insulate your home with a newer product at any time, or to add insulation to the amount that already exists. There are many different types of insulation that can be purchased, depending on who will be doing the installation and your current budget. Choosing to reinsulate your home or to update the insulation if it’s needed is going to save you a lot of money over time. Be sure to find the insulation that has the best R value so that you are getting the highest quality of product for your money, and that it’s installed properly for the most efficiency.

It’s easy to compare the effectiveness of different insulations by checking out their R value. This is the resistance capabilities the insulation has against thermal influences. When insulating a home, basement or building it’s crucial to have the best insulation possible, to help your home cut energy and utility costs and to save money on appliances. The most common construction people have with their homes is wood, and depending on the size of sheeting and the amount of material used it’s important to add extra insulation. It will be the same with brick or a stucco concrete.

Fiberglass insulation has high r value.

Wood, brick and concrete are materials that have the lowest R values, so there is a lot of extra insulation that needs to be added into a home with this type of construction. Polyurethane foams can be blown into the walls along with silicon foam as well. A polyisocyanurate or polyurethane sheeting can be added to the space and these two options are some of the most efficient options to choose from, since each option has a very high R value. The higher the R value rating the material has the less methods of insulation you have to apply to the home.

You can add more insulation if your house is made of brick.

There are many advantages to insulating your home properly with a high quality product. The energy bills will decrease because the appliances don’t have to work as hard to keep the house at the set temperature. The better the insulation the less air will be moving in and out of the home, and it can also protect the home from water damage and other types of damages as well. When at the store or talking with professional installer choose the best option with the highest R value that is available, and don’t be distracted by size or thickness since this plays no factor in calculating the R value.

Using foam board is a great way to insulate the home, especially when it’s paired with other methods of insulation in areas of the home like the basement and attic. The foam board is going to have an R value of around 5.0 which is good, but not the best that you can get. Paring this option with a type of cellulose filling or with polyurethane foam can make the house much more efficient. When the house is running more efficiently you can save money on your heating and cooling costs along with appliances as well.

The advantage of foam board insulation is that it’s one of most versatile and durable insulation materials that gives high r value.

The board is easy to install and many are able to install it themselves in different areas of the home. You can find this in different stores such as a home improvement store or at a lumber store. For those that are building a new home it’s wise to have this put in before the drywall is hung, and for those who have older homes you can put this in the attic or basement easily if they aren’t finished off. The foam that can complement this type of insulation should be blown in by a professional, and it will help keep the board in place.

The board is going to block air from coming in and out of the home throughout the different seasons, and it’s also going to help keep the house dry as well. This is a very affordable option on the list of insulation possibilities, and it’s also one of the easiest to install. If you want to cut down your monthly bills and you’re looking for a great way to improve the value of your home, foam board is a great way to do it. Check at the store and choose the board that has the highest R Value available.

Cellulose insulation is a great way to insulate your home, and it has an R value of anywhere between 3.0 and 3.9. The R value is the amount of resistance that the insulation has to thermal influences outside of the home, and also inside of the home. Although this isn’t the best type of insulation that you can get for your home, it may be all that you need depending on the other types of materials that your home is constructed of. Cellulose is often used in older homes that need to have the method of insulation updated for better efficiency.

Cellulose insulation is a great way to insulate your home, and it has an R value of anywhere between 3.0 and 3.9.

The dry cellulose insulation will be blown into the home through a tube, and often this should be done by a professional. This is going to settle over time, however you can blow the insulation so it dense enough that the settling doesn’t affect the performance. Stabilized cellulose insulation will be used most often in attic areas and ceilings. This is applied with a designated amount of water, and the insulation will adhere to the walls and roof. For those who have problems with dust and allergies there is a low dust cellulose that can be installed as well.

The biggest advantage to this type of insulation is that it easily surrounds different types of fixtures and fittings in the walls as its being installed, preventing gaps and leaks. This makes is a great for protecting the home from air outdoors or air from the inside of the home from escaping. Not only is this an affordable option for homeowners to install, it can save homeowners up to 50 percent on their utility bills each month. This type of insulation is also going to make the home quieter. For older or already constructed homes this is a great affordable option.

Spray foam insulation r value provides the most reliable home insulating material which will ensure no moisture or cold air enters your house when you do not need it. It provides a convenient and cost effective means of conserving the warm air inside your room thereby reducing energy bills. Besides just keeping the house warm, there are additional health benefits like keeping out dangerous mold and other airborne pollutants.

Spray foam insulation r value works in a variety of ways to improve the quality of air in your room. By preventing air and moisture from infiltrating your house, it makes the home more comfortable and habitable. You will also incur less energy costs since the heated air is circulated much longer in the room without being allowed to escape.

Spray foam insulation is one of the most popular insulation type.

This product serves to reinforce the structure of the house thereby improving its structural strength. It involves one time expenditure and remains permanently on the wall or door without sagging or causing bad impression. While working to keep cold air out of your house during winter, it ensures your house is kept free of dust during summer. This means that the air conditioner in your house will operate optimally enabling you to experience the right air quality you choose.

This method of insulating houses has revolutionized home construction technology by incorporating greater use of more scientific and energy efficient initiatives. The spray has outperformed fiberglass thereby proving its superiority over this and other insulating materials and technologies. It has also proved to be cheaper than the methods previously used besides its convenience. As the name suggests this is a way of protecting the quality of air in your home which conveniently fills empty spaces by means of spraying.

Spray foam insulation r value requires no maintenance costs which adds to its cheapness. It requires no additional protection from adverse weather conditions like sun shine. The polyurethane for instance comes with a higher r value of nearly six per one inch thickness. This ensures greater thermal resistance than can be found with any other comparable material.

When you have to compare and contrast the functionality and the benefits of this insulating material, you will appreciate the advancement which it brings to the science and practice of constructing homes. It provides the most convenient means of protecting homes from the adverse effects of winter coldness or summer dryness. It allows your air conditioning system to function more efficiently and keeps your energy bills as low as possible.

R-values measure the thermal resistance of a material, and the measure is important when determining the effectiveness of the insulation of a building. Materials with higher R-values are better insulators. Materials can be compared by referring to an insulation R value chart. Be aware when referring to data that most countries use SI (metric) units for R-values, but in the US customary units are used. US R-values are about six times bigger than SI values. Local and national building regulations often define the R-value which should be aimed for in new-build housing, or in insulation upgrades on older properties.

This zone map is related to the r values chart below.

This insulation r value chart should be viewed together with the zone map above.

Thermal resistance is analogous to electrical resistance. For electricity, Ohm’s Law (V=IR) states that the voltage is equal to the current times the resistance. The equivalent statement for heat is that the temperature difference is equal to the heat flux times the thermal resistance. The heat difference across the insulator is therefore the analog of voltage, the heat flux is the analog of current, and the thermal resistance is the analog of electrical resistance.

R-value is the unit value of thermal resistance, that is the thermal resistance of one square meter of the material (or square foot in US units). To find the actual thermal resistance of an insulating barrier (e. G. A wall), divide the R-value by the area of the wall.

R-values of different materials can be combined, in a similar way to combining electrical resistances. When two resistors are connected in series, then the combined resistance is equal to the individual resistances added together. Similarly for insulators, in a multilayer installation, just add together the R-value of the different materials.

When referring to a table of R-values, be aware that in most countries the SI (or metric) unit will be used, while in the US customary units are used. In the US the units are often omitted, for example a value such as R-25 is quoted without any units. If unit conversion is needed US units are approximately six times SI units.

In many countries building regulations govern the insulation of new-build homes, or offer advice to home-owners who wish to upgrade the insulation of an older residence. The recommendations will differ from country to country, or from locality to locality in a geographically large nation such as the US.

For example the US Department of Energy have divided the country into 7 zones, and recommended the best R-values for homes based on local energy costs, and local heating and cooling needs. This data can be downloaded from the Energy Star website.

If you are building a new home or making renovations to your existing one, you will hear much about installing insulation for increased energy efficiency. Whether it is wall, ceiling or floor insulation, your decision will be based on how effectively they keep your home warm and dry. If you are looking at different materials and find it hard to choose between them, we will be looking more specifically at fiberglass insulation r values, and this might assist you in making the best decision for your needs.

The efficiency of insulation has a rating system better known as the R-value of the material. The R-value is defined as the resistance a material has to combat the flow of heat through it and effectively preventing the loss of such heat. Its abilities will be directly reflected in the price, because it requires more material to be more efficient hence the increased price.

Fiberglass Batt Insulation

There are two different types of fiberglass insulation known as rolled and batt, and they are by far the two most commonly used in homes all around the world. It comes in various R-values, lengths, widths and densities, and they can be used in just about any part of the home like attics, ceilings, walls and floors. These abilities it has to preserve heat can also differ from one manufacturer to the next, so it will be best to shop around and get quality for your money.

The competency of the material is measured as the R-value per inch, e. G. Fiberglass batt’s r-value is 3.14 – 4.30 per inch. The rolls or batt of this material come in ready made R-values to be used in different parts of the house. The value you are supposed to use for different areas of the house will differ not just from each other, but also vary according to where your home is situated and the weather conditions you will experience.

The most common guide is as follows: for ceilings or attics, use close to a R-49 which could equate to about 16 inches of fiberglass; for walls, use about R-11 to R-15, and R-25 for very cold climates in your floor or R-11 if the climate is mild. Some material can lose some of its R-value with age or some conditions like moisture, but fiberglass has been found not to absorb any moisture, therefore it will not lose its efficacy. Other benefits of this product is that it: holds its form, does not deteriorate easily and is fire resistant or even fireproof.

One of best advantages of these great fiberglass insulation R values is that it is one of the most cost effective ways to keep your home warm or cool. In addition it acts as a wonderful buffer against noise from outside sources, which is great when you live close to, or in town. Similarly, it can also be utilized to dampen noise coming from a loud teenager’s blasting stereo, definitely worth it!

Photo Credits
All photos in this page are courtesy by the following authors:
http://www.flickr.com/photos/chimothy27/
http://www.flickr.com/photos/anneh632/
http://www.flickr.com/photos/moosicorn/

Rigid insulation r value is a material that is designed to be energy efficient by keeping cold and heat from penetrating walls. This has been found to be a great boon especially in areas where there are extremely hot or cold periods during the year. There are several different types of this type of board insulation.

Because of misrepresentation regarding this type of material, the US Department of Energy (DOE) has established a method of gauging its effectiveness. This method is called the R-value, which is the ability of its construction to resist heat. This value rating also connected to various buildings depending on local climate so may vary from one location to another.

The R-value is also given to types of materials that are not of solid construction such as fiberglass (3.2 per inch), which comes loose or in rolls, batts and blankets, Cellulose (3.2 per inch) which is a sprayed on material and Mineral Wool (3.1 per inch) which is blown into walls and ceilings. Rigid sheets are classed at 4.0 to 6.5 per inch.

The materials, that are used for the solid type of this weather resistant material, are polystyrene, compressed mineral wool, polyisocyanurate, polystyrene, and firm fiberglass. They repel water and can be obtained in various sizes and thicknesses. As a result, one will find a wide variety of their use in the construction industry.

Applications of this material, such as below grade foundations, under basement slabs, vinyl siding backing, basement walls, backup for walls and ceiling are quite common. It is used for many other purposes as well as in all types of construction. Builders have found that, by using the sheet type of this weather resistant material, they can use 2×4 rather than 2×6 studs which results in quite a savings when constructing a new building. In addition, this allows temperature resistance of the wall framing. In other words it stops heat or cold from the outside from producing temperature spots in the wall which is often evident where insulation does not cover the studs.

There are three types of this solid weather resistant material. They are Molded expanded polystyrene, made from liquid polymers, Extruded expanded polystyrene which is denser and Polyurethane foam board which is thin and is often used in small spaces. Although it provides excellent thermal resistance to roofs, foundations and walls, there are also a disadvantages to the foam board. Insects, such as carpenter ants and termites love it for nests and tunneling. However, rigid insulation r value provides great benefits in protecting all types of buildings from extreme heat or cold and is very energy efficient.

Photo Credits
All photos in this page are courtesy by the following authors:
http://www.flickr.com/photos/michaelpecirno/2803572471/sizes/l/
http://www.flickr.com/photos/basf/