Insulation Costs and Prices Within The UK
Growing up the only insulation I knew about was the itchy fiberglass kind. And today it’s still the most known type. When you discuss insulation you will hear the term r value. R- value when discussing insulation means resistance, typically the higher the r value the more insulating value. So the higher number of r the better the insulation. Keep in mind though that there are other things to consider as well. Let’s look at some of them now.
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This easy to use insulation is available by the roll: A roll of fiberglass insulation is available with or without facing. Facing on fiberglass insulation is usually only on one side. It is a kraft paper or foil lining, allowing ease of installation. Basically it helps keep the itchy fiberglass away from your skin, and often provides a tack strip for use in installing it. It also makes the insulation more resistant to water and air vapors. The foil lined ones also can help reflect radiant heat. (This varies by brand be sure to check the label before deciding on any insulation) You can also choose to have completely unfaced insulation. This is a bit more of a pain to install but is often slightly cheaper.
Quick note you might also hear the term a batt of insulation. This is sold in precut lengths to save time and add in the ease of installing. Otherwise it is generally available in the same varieties as a roll. This can vary depending on the size of the lumber yard you shop at.
Loose fill or blown insulation was:
Originally used in small spaces where roll type insulation would not fit, loose fill has gained popularity in recent years and has become a popular alternative to roll type insulation. When remodeling an existing home, and you want to add insulation to existing walls.
This type is most commonly installed with a blower, but can be poured from the bag as well. Until the last few years this type of insulation was almost exclusively installed by professionals. This was due in a large part because of the cost of the specialized pneumatic equipment used in installing it. But in recent years many lumber yards have begun renting the equipment or in some cases loaning the installation equipment to home owners that buy the insulation from them.
Available in several varieties let’s look at a few of the more popular ones:
Those of us interested in recycling will be glad to hear that cellulose loose fill is made from old newspapers! Interestingly enough it was not uncommon for old newspapers to be used to stop drafts in homes back in the early 19th century! Today the recycled newspapers are treated with a chemical to make them more fire retardant, protecting us & our homes. This type of loose fill has less of a chance of being blowing out of place after installation. Like its life before being recycled this type of loose fill does tend to attract moisture.
Loose fill pellets made of perlite & vermiculite are sold in pellet form. Made from aluminum silicate & mica the pellets are non-combustible. This is why they are most often used around chimneys and areas in need of completely non-combustible materials.
The last type of insulation we will look at today is rigid insulation. Most commonly installed with new construction or when getting new siding. This type of siding is one of the most expensive available. However it does have a very high r value. Sold in solid boards often 8"x4" installing this type is often easier and less itchy. However this type of insulation is made from different plastics, often viewed as a bad ecological choice.
Now we have looked at some of the most popular types of insulation available today. While this not a complete list this will give you the information to ask the right questions when choosing an insulation type. Please choose wisely for you and the environment.
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