Carbon footprint calculator

Carbon Footprint Calculator

The UK Government is moving towards a low carbon economy with a target to reduce greenhouse gas emissions by 80% by 2050. In its strategy for the construction industry, ‘Construction 2025’, Government sets a target to lower greenhouse gas emissions by 50% by 2025. This is an ambitious target and will require all areas of emissions to be addressed, from the manufacture and transport of products, to their performance in-use and later treatment for re-use.

We’re serious about managing and reducing the carbon footprint of our products and our business, and helping our customers to do the same. We take a whole life approach, which considers the impact of our products over their entire life-cycle, from extraction, production and transport, to performance in use, maintenance and final recycling or re-use. The majority of emissions from the built environment come from the “in use” phase, where our products bring many benefits. All our products are durable, extending the in use phase and minimising maintenance requirements. Concrete has high thermal mass, helping to regulate the temperature of buildings and reducing the need for heating or air conditioning. Concrete also re-carbonates* when crushed, reducing the overall emissions considerably. Our products are all also recyclable, supporting the circular economy** and reducing demand on natural resources.

The embodied emissions are the first part of the journey towards understanding the whole life emissions of a project. Tarmac’s Carbon Footprint Calculator enables calculation of the embodied emissions of our products and services. Their impact on in-use emissions depends on how they are used; our Efficient Building Systems provide information on the most efficient use of our products and solutions and we welcome the opportunity to provide more specific advice and support.

Our Carbon Footprint calculator helps customers to:

  • Understand the carbon impact of the products they’re buying
  • Actively seek lower carbon product options
  • Manage carbon in their supply chain

Carbon Footprint calculator benefits:

  • Plant and material specific carbon footprints – not just generic data
  • Alternative products and services can be compared
  • Understand the carbon impact of using recycled materials
  • Pinpoint carbon savings in your project

Our carbon footprint solutions are flexible to your requirements – we can provide the embodied footprint of a single product, or calculate the carbon footprint of a whole project and even provide monthly updates. Talk to your account manager or contact the Sustainability team to find out more.

Get a Carbon Footprint calculation:

Already have a quotation number?

Email sustainability@tarmac.com with your quotation number.

No quotation number?

Talk to your account manager or contact sustainability@tarmac.com for support.

Technical Information

Our Carbon Footprint calculator methodology has been developed in accordance with recognised industry standards PAS 2050*** and asPECT****. Total greenhouse gas contributions are expressed as carbon dioxide equivalents (CO2e). 

Notes:

* Recarbonation is the reabsorption of carbon dioxide (CO2) from the atmosphere by concrete during the in use phase and following recycling. The mix design of structural concrete limits recarbonation to the surface layer when in use, helping to prevent corrosion of embedded steel reinforcement. When the structure reaches the end of use, the concrete is typically crushed for reuse as an aggregate. This significantly increases the surface area and results in much greater recarbonation. Studies show recarbonation accounts for an average of 20 per cent of the carbon dioxide emitted during the production phase of concrete, significantly reducing the whole life impact.

** Circular Economy relates to material resource efficiency. It describes a closed-loop process in which materials are continuously reused and recycled. It is a move away from the traditional linear “take, make dispose” processes where finite resources are depleted.

*** BSI PAS 2050:2011 ‘Specification for the assessment of the life cycle greenhouse gas emissions of goods and services’

**** Asphalt Pavement Embodied Carbon Tool asPECT v3.0.

Our Carbon Footprint calculator methodology has been developed in accordance with recognised industry standards PAS 2050 and asPECT.

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