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What Is The Cost Of Installing Insulation?

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The cost of roof insulation installation depends on the methods you will use to install and the type of insulation that you need. There are different types of insulation, and you might need one or two of them in that area that needs insulation. You can use the DIY method on some types of insulation, but professional installers could do it better.


The insulation "R" value

The price of insulation is affected by the “R” value. You should not ignore the “R” value because it reflects the “R” ability to insulate your home. If the “R” value is low, it may not insulate your home correctly.

The Batt insulation has the “R” value. Various types of batt insulation have different prices besides the “R” value cost. However, they vary depending on their “R” value. An example of a popular Batt insulation is the Earthwool. Below is a roof insulation cost calculator of Earthwool. 

R-2.0 for a 15.96m2 area: $69.00

R-4.0 for a 12.11m2 area: $87.50

R-3.5 for a 10.47m2 $87.50 

If you think about the cost of batt insulation and the coverage area, the price difference might be high. You should be aware that R-2.O is not cable of insulating well like R-3.5 or R-4.0. Your home won’t be comfortable, and the cost of energy will be high. R-3.5 or R-4.0 is adequate for most homes although a household might need batt insulation a value of R-6.0 in some cases.


 

What is the cost of reflective foil insulation?

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Reflective foil insulation is a popular insulation method. The foil insulation is made of aluminum surface with a paper backing or batt backing in some cases. At other times it can be pleated so that it can have better insulation. Due to its design, it reflects cold and heats outside rather than letting it enter the home. There is a variance in the price of foil insulation as listed below:

  • A pleated foil insulation of 16 pack 1.2m long by 450mm wide: $28
  • A foil insulation of 1350mm wide by 60m long: $115
  • An R-1.8 batt roof foil insulation: $80 for a coverage of 12m2

One type of insulation might have a different price than the other due to the difference in their quality. For instance, a foil insulation has a better quality because it is installed under a roof and has an air pocket in between which makes it insulate better than when it is directly connected to the ceiling.

Batt back provides better insulation than foil insulation, and that’s why it has a high price.

 

Other types of insulation 

While reflective foil insulation and Batt insulation are the most popular types of insulation, there are other types of insulation that you need to know.

 

Foam and spray insulation

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This is a very useful insulation method and it should be installed by a professional. It can be retrofitted in an existing wall through removing cladding or drilling small walls on the wall.

 

Loose fill insulation

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This is the insulation that can be made out of recycled paper, wool or fiberglass. It is used in ceiling cavities. It comes in different types of materials like wool and volcanic rock.

Other insulations come in wooden boards. The boards might have aluminum backing at times. Even though it can be used anywhere, it is used mostly as floor insulation. Insulation boards are designed for cavities, under-floors, and they can also be created for external use.

Each type of insulation has a different design. Those intended for external use only are applied before cladding. Their price can start between $26 for boards of  R-1.0  to more than $600 for premium boards.

It is only professionals who are supposed to apply foam or spray insulation because they have all necessary skills and equipment needed. There are two types of foam insulation.

  • The closed cell insulation
  • The open cell insulation

The major benefit of foam insulation is that it offers both thermal insulation and acoustic insulation. You can get quotes from installers of spray insulation to determine how much your insulation will cost. The complexity and size of the job will also determine how much it will cost.

 

Which is the best type of insulation in my home?

As much as there is no answer for which is the best insulation for your home, you can use reflective insulation on a surface that the sun strikes. Such surfaces include walls and roofs that face the sun. For best results, combine reflective insulation with batt insulation.

Loose fill insulation is perfect on ceiling cavities and could be installed into existing walls by professionals.

You can install installation boards on the house exterior or under the house. They can work well on brick walls.

You can install foam insulation on ceiling cavities, under floors, and on walls.

Insulation is affordable and will save you extra costs in future. An ideal insulation reduces heat loss and heat gain. This leads to lower costs of heating and cooling. If you use the right type of insulation, the climate of your home will be more comfortable than it is right now.

If you’re looking to put insulation in your roof you'll need the experience of a local insulation specialist. With the Bricks+Agent online community hub it’s simple, easy and free to connect with a local professional with the right credentials and best quote for you!

Topics: Property Advice, Property Services, Repairs & Maintenance

Jon Stul

Written by Jon Stul

Having spent over 12 years in the real estate industry covering all facets from residential through to commercial, established and off plan properties and sub-divisions, he has an in depth knowledge of the industry. Stepping out of the industry four years ago and moving interstate to expand a frozen yoghurt chain that has gone from 1 to 4 stores in the time he has been involved. This was recently sold to Made Group. Real estate has always been in his blood and it was a natural fit to start Bricks + Agent given the amount of insight he has into the industry as a whole. Having seen how all different forms of traditional marketing was used to the direction that it is now heading today, we think we have come up with a truly unique proposition that fits into the current state of the property maintenance market.