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Energy renovation

Download our energy renovation business case

Energy renovation can mean many different things depending on who you are and what your goals are. From homeowners looking to save energy to politicians and lawmakers eager to stimulate a green recovery, energy renovation certainly means something to many of us. But what does it mean to you? No matter what you’re looking for, we’ve created a guide to meet your needs, so why not check them out below!

Table of content

  1. Why energy renovation?
  2. What does energy and green renovation mean?
  3. Main focus areas of energy renovation
  4. All solutions
  5. Case study section
  6. Benefits of energy renovation with stone wool insulation

Everything you need to know about energy renovation

20200908_RW-UK_PHO_23
Renovation

How to make your home energy efficient

Wondering how to make your home energy efficient? Here is how stone wool insulation can help reduce energy costs and provide healthier indoor environments.

20200403 GMC PHO 1472
Renovation

Deep energy retrofit

To reduce energy usage, stone wool insulation can help with deep energy retrofits to improve the resilience and sustainability of existing building stock.

20190124 GMC PHO 1258
Net-zero-energy building

Net-zero-energy building

Net-zero-energy homes are possible with improved insulation and integrated designs that reduce energy loads and provides greater thermal performance.

20180208 RW-CWE-D PHO 76
Visualize a home with our products

Renovation tool

Visualize a home with our products

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deep energy renovation</a> scheme mandated by new policies contribute positively to the environment, society, and local economy. So, whether you are a homeowner, business owner or are helping shape the policies of the future, renovation should be on your agenda.</p><p>&nbsp;</p>","columnTwo":"","primaryButtonTwo":{"componentName":"PrimaryButton","title":null,"cssClass":"btn","openThankYouPageInTheSamePage":false,"link":"","openLinkInNewTab":false,"iconName":"arrow-right","isFileGated":false,"documentDataObject":null,"target":"_self","extensions":null,"file":false,"fileTitle":null,"trackingLabel":null,"fileType":null,"fileCategory":null,"downloadType":null,"fileDataTarget":null},"primaryButtonSignUpOne":{"componentName":"PrimarySignUpButton","useMarketoForm":false,"headline":null,"description":null,"signUpButtonText":null,"openSignUpLinkInNewTab":false,"successMessage":null,"marketoFormId":null,"marketoFormName":null,"marketoFormPurpose":null,"dontFollowupUrl":false,"showSubmitMessage":false,"submitHeader":null,"submitMessage":null,"sendAnotherMessage":"Send another message","svg":"<svg 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Why energy renovation?

In Europe, buildings consume 40 percent of the total energy demand and are responsible for 36 percent of Europe’s total greenhouse gas emissions. Achieving the goals of the Paris Agreement – which aims to keep global warming below 1.5°C – will require us all to reduce energy usage significantly before 2050. Luckily, many solutions are already available today. To achieve significant energy reductions by the middle of this century, initiatives that promote the green renovation of the existing building stocks will have to play a significant part in any strategy.

Both a home improvement project and a deep energy renovation scheme mandated by new policies contribute positively to the environment, society, and local economy. So, whether you are a homeowner, business owner or are helping shape the policies of the future, renovation should be on your agenda.

 

What does energy and green renovation mean?

Most of the world’s buildings are energy inefficient. Constructed during a time where little or no sustainable practices were applied to structures, green renovation is a way to reduce the energy intensity of these buildings. In 2017, the BPIE reviewed available Energy Performance Certificate (EPC) data and found that less than three percent of the building stock in the EU qualifies as being A-label. In order to reach a decarbonised building stock by 2050, the vast majority of buildings in the EU need to be extremely energy efficient, complying with EPC label A.

Green renovation takes a holistic view of a structure’s entire lifecycle. Although there is no single definition of what a green home or building is, it is primarily a process of assessing the carbon footprint for all aspects of the structure.

Green or energy renovation projects typically address concerns surrounding:

  • The total amount of emissions generated over the life of the building.
  • The types of energy generation systems used to supply the structure.
  • The optimisation of the building’s design to reduce the carbon footprint to a level as close to net-zero as possible.
  • The ability to recycle the building materials when the structure reaches its end of useful life.
  • The responsible sourcing of building materials used during remodelling.

Different schemes and sustainable building codes apply to cities around the world. Achieving carbon-neutral cities by 2050 will require a concerted effort and doubling the rate of renovation every year moving forward. Deep renovation initiatives can cut energy demand by up to 75 percent in structures.

any energy renovation project</a> is to reduce energy waste and increase the sustainability of buildings. For building owners, energy renovation also offers a significant potential for savings on energy costs, making it a worthwhile investment.</p><p>Here are the four main focus areas every green renovation project should consider.</p>","columnTwo":"","primaryButtonTwo":{"componentName":"PrimaryButton","title":null,"cssClass":"btn","openThankYouPageInTheSamePage":false,"link":"","openLinkInNewTab":false,"iconName":"arrow-right","isFileGated":false,"documentDataObject":null,"target":"_self","extensions":null,"file":false,"fileTitle":null,"trackingLabel":null,"fileType":null,"fileCategory":null,"downloadType":null,"fileDataTarget":null},"primaryButtonSignUpOne":{"componentName":"PrimarySignUpButton","useMarketoForm":false,"headline":null,"description":null,"signUpButtonText":null,"openSignUpLinkInNewTab":false,"successMessage":null,"marketoFormId":null,"marketoFormName":null,"marketoFormPurpose":null,"dontFollowupUrl":false,"showSubmitMessage":false,"submitHeader":null,"submitMessage":null,"sendAnotherMessage":"Send another message","svg":"<svg xmlns=\"https://www.w3.org/2000/svg\" width=\"16\" height=\"16\" viewBox=\"0 0 16 16\"> <path fill=\"#FFFFFF\" fill-rule=\"nonzero\" d=\"M11.166 8.81l-2.962 3.308 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Main focus areas of energy renovation

The main aim of any energy renovation project is to reduce energy waste and increase the sustainability of buildings. For building owners, energy renovation also offers a significant potential for savings on energy costs, making it a worthwhile investment.

Here are the four main focus areas every green renovation project should consider.

External wall insulation</a></span></p><h3>2. Eliminating thermal bridging</h3><p>Certain materials are more conductive than others, leading to thermal bridges where energy flows through the path of least resistance. Using continuous insulation in wall cavities and between studs will eliminate the thermal bridges, improving the overall energy efficiency of the structure.</p><p>Thermal bridges can also lead to cold spots in the interior of a wall assembly and increase the risk of condensation within enclosures. Making sure to prevent these thermal bridges requires the entire building envelope to be thoroughly insulated without disruption. This lays several requirements on the insulation materials used. Firstly, the material must be able to fit snuggly within any small space that might exist near beams, windows, or doors to make sure these are adequately closed off. Secondly, the material itself must maintain its dimensions and performance over time, so as not to leave any gaps behind after the installation.</p><p>Stone wool is an naturally robust material meaning it can withstand moisture, water, compression and even fire without losing its dimensional stability and thermal performance. It can be cut, bent or compressed to fit any shape or size without losing performance, making it easy work with.</p><p><span class=\"btn\"><a href=https://www.rockwool.com/"https://www.rockwool.com/siteassets/rw-group/media/factsheets/factsheet_mechanical.pdf/">8 facts about the mechanical properties of stone woo</a>l</span></p><h3>3. Renovating for future sustainability</h3><p>Now that we&rsquo;ve touched briefly on the concepts of reducing the energy consumption of a building, it&rsquo;s time to also reflect on the materials used. For a renovation to truly be green, it&rsquo;s important to choose materials that are sustainably sourced and to consider their carbon impact over the lifetime of the material.</p><p>Over its lifetime, stone wool insulation can save 100 times the carbon used in its production, meaning it has a net positive impact on your building&rsquo;s sustainability profile. Our stone wool can contain up to 75 percent recycled content, and this includes not only recycled stone wool but also waste from other industries, meaning that the product itself contributes to a circular economy.</p><p><span class=\"btn\"><a href=https://www.rockwool.com/"https://www.rockwool.com/siteassets/rw-group/media/factsheets/factsheet_circularity.pdf/">8 facts about the circularity of stone wool</a></span></p>","columnTwo":"","primaryButtonTwo":{"componentName":"PrimaryButton","title":null,"cssClass":"btn","openThankYouPageInTheSamePage":false,"link":"","openLinkInNewTab":false,"iconName":"arrow-right","isFileGated":false,"documentDataObject":null,"target":"_self","extensions":null,"file":false,"fileTitle":null,"trackingLabel":null,"fileType":null,"fileCategory":null,"downloadType":null,"fileDataTarget":null},"primaryButtonSignUpOne":{"componentName":"PrimarySignUpButton","useMarketoForm":false,"headline":null,"description":null,"signUpButtonText":null,"openSignUpLinkInNewTab":false,"successMessage":null,"marketoFormId":null,"marketoFormName":null,"marketoFormPurpose":null,"dontFollowupUrl":false,"showSubmitMessage":false,"submitHeader":null,"submitMessage":null,"sendAnotherMessage":"Send another message","svg":"<svg xmlns=\"https://www.w3.org/2000/svg\" width=\"16\" height=\"16\" viewBox=\"0 0 16 16\"> <path fill=\"#FFFFFF\" fill-rule=\"nonzero\" d=\"M11.166 8.81l-2.962 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1. Improving thermal efficiency with modern insulation

When looking to cut energy consumption in buildings, reducing the energy used for heating and cooling must form a core element of the renovation. With up to 50 per cent  of the energy consumed in buildings stemming from space heating, it is clear that reducing the amount consumed could offer significant cost savings and emissions reductions.

Using high quality stone wool insulation, it is possible to reduce the amount of energy consumed for heating and cooling building by up to 70 per cent, making it perfect for an energy renovation of existing buildings.

Great places to start:

  • Roof – The roof is often the first place to look when aiming to reduce energy consumption. Hot air rises, meaning that in a cold environment, the roof is where the most heat is lost. Conversely, in hot environments where the sun shines down on the roof all day, if not properly insulated, the building will heat up rapidly.
  • External walls and façades – Being the largest surface area of a building, the external walls are a prime spot to focus on when insulating for greater energy efficiency. Depending on your building, you could insulate from the outside, renewing your façade in the process, or choose to insulate from the inside, to preserve the façade of a historic building.

Roof insulation External wall insulation

2. Eliminating thermal bridging

Certain materials are more conductive than others, leading to thermal bridges where energy flows through the path of least resistance. Using continuous insulation in wall cavities and between studs will eliminate the thermal bridges, improving the overall energy efficiency of the structure.

Thermal bridges can also lead to cold spots in the interior of a wall assembly and increase the risk of condensation within enclosures. Making sure to prevent these thermal bridges requires the entire building envelope to be thoroughly insulated without disruption. This lays several requirements on the insulation materials used. Firstly, the material must be able to fit snuggly within any small space that might exist near beams, windows, or doors to make sure these are adequately closed off. Secondly, the material itself must maintain its dimensions and performance over time, so as not to leave any gaps behind after the installation.

Stone wool is an naturally robust material meaning it can withstand moisture, water, compression and even fire without losing its dimensional stability and thermal performance. It can be cut, bent or compressed to fit any shape or size without losing performance, making it easy work with.

8 facts about the mechanical properties of stone wool

3. Renovating for future sustainability

Now that we’ve touched briefly on the concepts of reducing the energy consumption of a building, it’s time to also reflect on the materials used. For a renovation to truly be green, it’s important to choose materials that are sustainably sourced and to consider their carbon impact over the lifetime of the material.

Over its lifetime, stone wool insulation can save 100 times the carbon used in its production, meaning it has a net positive impact on your building’s sustainability profile. Our stone wool can contain up to 75 percent recycled content, and this includes not only recycled stone wool but also waste from other industries, meaning that the product itself contributes to a circular economy.

8 facts about the circularity of stone wool

Get inspiration from our renovation case studies

20201008 GMC ILLUS 138
Renovation case studies

Case studies

Learn how we are modernising old buildings with cost-effective, energy efficient and sustainable building renovations from around the world – that you can get inspired by!

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Benefits of energy renovation with stone wool insulation

Using stone wool as part of a deep energy renovation project can help limit CO2 emissions, reduce energy usage, lower operational costs, and make buildings and homes more sustainable. Whether it’s for an eco-friendly, green home or a commercial property, energy renovation with stone wool insulation also promotes circularity as it is made from highly recyclable materials.

Sourced from one of the most abundant natural resource available and due to its unique thermal, acoustic, and fire resilient benefits, stone wool insulation remains a sustainable option for improving the world’s building stock. ROCKWOOL Group develops innovative solutions to help owners, governments, and property investors make their buildings more resilient.

To discuss the requirements of your next green renovation project and how ROCKWOOL Group can help, get in touch today.

Contact us

Explore a world of renovation

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Commercial renovation

Investing in a commercial renovation project can help make building stocks sustainable, efficient, and healthy for the occupants.

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Deep energy retrofit

To reduce energy usage, stone wool insulation can help with deep energy retrofits to improve the resilience and sustainability of existing building stock.

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How to make your home energy efficient

Wondering how to make your home energy efficient? Here is how stone wool insulation can help reduce energy costs and provide healthier indoor environments.

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Net-zero-energy building

Net-zero-energy building

Net-zero-energy homes are possible with improved insulation and integrated designs that reduce energy loads and provides greater thermal performance.

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Contact us

Our experts are ready to help!

Do you need technical advice for your renovation? Or maybe insights into our insulation products? Get in touch with our experts

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Why renovation makes economic sense?

Renovation business case

From pricing a typical renovation to exploring available grants, we strip down the costs – and savings – involved in renovation

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Home renovation

From making your home more comfortable and safe for your family to improving energy efficiency, there are so many great reasons to renovate your home.

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Visualize a home with our products

Renovation tool

Visualize a home with our products

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Renovation case studies

Case studies

Learn how we are modernising old buildings with cost-effective, energy efficient and sustainable building renovations from around the world – that you can get inspired by!

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Benefits for society

Why building renovation is one of the cheapest COVID-19 recovery options to secure local jobs and reach our climate goals

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Why renovation

The are many benefits of renovating; from kick-starting economies and reducing emissions to improving homes and lowering energy bills, there's something to gain for everyone.

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Renovation

ROCKWOOL renovation

Energy renovation can help solve today’s economic challenges while supporting the green transition and securing local jobs.

ROCKWOOL Group