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external wall insulation

External Wall Insulation

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If you have an older home that’s drafty, one of the easiest ways to save on your energy bills is by adding external wall insulation. Contractors can add insulation in any type of home no matter what it is constructed of, thereby making it more soundproof and energy efficient. This is one home improvement that can pay for itself over a period of time.

Adding External Wall Insulation

External wall insulation may be attached to the exterior walls in much the same manner as insulation on the inside of a home is. It can also be blown into walls by using a special type of machine. The type of insulation chosen can depend on what the exterior walls are made of and whether or not siding is also going to be added.

Benefits

There are a number of benefits that can be enjoyed from adding external wall insulation , and a few of these include:

  • Makes a home more efficient to heat and cool
  • Provides a barrier against external noises, making it ideal for those who live in high traffic areas
  • Reduces draftiness
  • Can prevent moisture from building up near a home’s foundation
  • Less messy since insulation does not need to be brought into the residence
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The Problems with Do-it-yourself Insulation

A number of problems can occur when adding external wall insulation. Many homeowners who attempt this job themselves could end up with structural damage if they use tools improperly. Adding insulation is also somewhat dangerous, as fibreglass particles could get into the lungs and cause breathing disorders. Some people may also be allergic to the insulation and break out in hives after handling it.

 external wall insulation costs

When you hire a professional to perform external wall insulation, you’ll be sure the right amount of insulation is added. Adding too much insulation could mean that your home will not be vented properly, and this could result in structural damage from moisture that builds up as a result. If too little insulation is added, the maximum benefits won’t be enjoyed. A contractor who is familiar with insulating walls will be able to determine exactly how much insulation to use after making a careful inspection.

External Wall Insulation Costs

A few of the things that can influence the cost of external wall insulation are:

  1. Amount and type of insulation chosen
  2. Whether siding needs to be removed
  3. Size of building
  4. Type of structure (one-story, two-story, etc.)
  5. Time of year, as homeowners can often get a discount when scheduling services during the off-peak season

Grants for Exterior Wall Insulation

Some homeowners may be able to qualify for a grant to help them pay for all or part of the cost of exterior wall insulation. Those who live in areas where fuel poverty is a concern are often eligible for these grants, as are a number of other people who receive tax credits such as:

  • State pension credit
  • Employment support allowance
  • Working tax credit
  • Income support
  • Income-based jobseekers allowance
  • Child tax credit

There are additional criteria that must be met for each one of these categories. Residents who would like to find out more information about grants for exterior wall insulation can talk to an administrator with their local utility company to find out more information.

Adding insulation is always a good idea for those who live in older homes that have a great deal of air loss. The benefits will be enjoyed long after the costs of this home improvement project have been recovered, making it a smart investment that will also improve one’s quality of life.

Your external wall insulation questions answered

What is external wall insulation?

External wall insulation is a process of applying insulation material to the outside walls of a home and covering the existing material, whether it is brick, wood, etc.

What are the benefits?

External wall insulation provides the same benefits of internal insulation, including lower energy costs, better heating and cooling and more.

How much does external wall insulation cost?

External wall insulation for cavity walls will cost approximately £9,000 - £25,000, depending on the size of the home. Overall, it can save you £150 - £460 annually on your heating and cooling costs.

Can I install external wall insulation myself?

Yes, but it is generally recommended to call a professional installer to make sure that the entire exterior of the house is properly insulated. In existing structures, blown insulation or expanding foam are the most common choices.

Is it necessary to remove siding before adding external wall insulation?

No, as it may be possible to simply drill holes in your siding and blow in insulation instead. The condition of your siding will play a role in this, as will the type and amount of insulation you desire.

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