What is the estimated percentage of greenhouse gases globally generated from the construction and maintenance of buildings that CCM products can offset 
of building envelope products CCM offers complete set of solutions and systems to aid in the design of efficient building envelope efficient projects backed by industry leading warranties and a focus on green principles.
On Slide 6, you can see how this building envelope concept can deliver substantial energy savings for building owners. CCM products provide a substantial offset to the estimated 40% of greenhouse gases globally generated from the construction and maintenance of buildings and our teams are focused on continuing to support the growing efforts in global energy efficiency.
It is because of this history of innovation, investment and continuous improvement that we have more conviction than ever that CCM's future success is secure. We believe the extensive planning of Vision 2025 identified the strengths of CCM's core markets, demonstrated a consistent reroofing revenue stream and elevated the power of CCM's sustainable business model. 2020 only served to crystallize our confidence.
Turning to Slide 7. I'd like to spend a few minutes talking in more detail about CCM's future and what drives our confidence in the CCM business model. First, as you've heard us speak about it like CCM's core business is predominantly driven by replacement roofing demand. Non-residential buildings built 10 to 20 years ago make up over 25% of current infrastructure and those roofs will need replacing in the next decade.
As a reminder, roof replacements are not discretionary. Aided by the Carlisle experience and our market position, CCM should continue to capture placement of installed roofing systems and grow share with new energy-efficient, labor reducing and cost-effective product and solutions in the $6 billion and growing market. While the majority of our core CCM business revenue comes from reroofing, past construction cycles evidenced residential construction as a strong leading indicator of new commercial construction, which augments core CCM growth.
Growing residential construction demand, which accelerated in 2020 coinciding with urban relocation due to COVID will require increased commercial infrastructure, including big-box retailers, hospitals, warehouses and educational buildings to support a growing population of suburban families and workers. Second, as shown on Slide 8, the recent addition of our Polyurethane platform to CCM included spray foam insulation, which is a sustainable high single-digit growth market. Our top performing formulations provide unmatched energy efficiency in both residential and non-residential applications.
Driven by our industry-first concept of the combined material and equipment solution, which we call IntelliSpray, it was developed and introduced with engineering support from Carlisle Fluid Technologies. Carlisle's CCM is uniquely positioned to grow at above market levels in spray Polyurethane foam insulation. This innovative new system will allow us to provide the contractor, builder and homeowner with greater application efficiency and control, savings from application efficiency improvements and ultimately a better foam insulation product.
Third, like Polyurethane, Architectural Metals is an exciting new platform for CCM, it's a $1 billion market growing at approximately 2 times GBP provides an attractive opportunity to diversify into the sloped roof market with a highly sustainable product. Our metals platform is seeing healthy organic growth as it offers a lasting high ROI system solution to building owners, generating solid pull through sales of CCM insulation and other layman products.
To support our regional growth strategy, we are expanding our metals footprint in 2021 by opening three new locations in the U.S. Metal roofing systems also complement our drive to deliver solutions that support the construction of an efficient building envelope. Metal roofs are 100% recyclable, increase energy efficiency of the building up to 20% versus traditional materials and reduce waste in the manufacturing process.
Fourth, we are committed to accelerating growth in Europe, a $10 billion -- or EU
of building envelope products CCM offers complete set of solutions and systems to aid in the design of efficient building envelope efficient projects backed by industry leading warranties and a focus on green principles.
On Slide 6, you can see how this building envelope concept can deliver substantial energy savings for building owners. CCM products provide a substantial offset to the estimated 40% of greenhouse gases globally generated from the construction and maintenance of buildings and our teams are focused on continuing to support the growing efforts in global energy efficiency.
It is because of this history of innovation, investment and continuous improvement that we have more conviction than ever that CCM's future success is secure. We believe the extensive planning of Vision 2025 identified the strengths of CCM's core markets, demonstrated a consistent reroofing revenue stream and elevated the power of CCM's sustainable business model. 2020 only served to crystallize our confidence.
Turning to Slide 7. I'd like to spend a few minutes talking in more detail about CCM's future and what drives our confidence in the CCM business model. First, as you've heard us speak about it like CCM's core business is predominantly driven by replacement roofing demand. Non-residential buildings built 10 to 20 years ago make up over 25% of current infrastructure and those roofs will need replacing in the next decade.
As a reminder, roof replacements are not discretionary. Aided by the Carlisle experience and our market position, CCM should continue to capture placement of installed roofing systems and grow share with new energy-efficient, labor reducing and cost-effective product and solutions in the $6 billion and growing market. While the majority of our core CCM business revenue comes from reroofing, past construction cycles evidenced residential construction as a strong leading indicator of new commercial construction, which augments core CCM growth.
Growing residential construction demand, which accelerated in 2020 coinciding with urban relocation due to COVID will require increased commercial infrastructure, including big-box retailers, hospitals, warehouses and educational buildings to support a growing population of suburban families and workers. Second, as shown on Slide 8, the recent addition of our Polyurethane platform to CCM included spray foam insulation, which is a sustainable high single-digit growth market. Our top performing formulations provide unmatched energy efficiency in both residential and non-residential applications.
 Driven by our industry-first concept of the combined material and equipment solution, which we call IntelliSpray, it was developed and introduced with engineering support from Carlisle Fluid Technologies. Carlisle's CCM is uniquely positioned to grow at above market levels in spray Polyurethane foam insulation. This innovative new system will allow us to provide the contractor, builder and homeowner with greater application efficiency and control, savings from application efficiency improvements and ultimately a better foam insulation product.
Third, like Polyurethane, Architectural Metals is an exciting new platform for CCM, it's a $1 billion market growing at approximately 2 times GBP provides an attractive opportunity to diversify into the sloped roof market with a highly sustainable product. Our metals platform is seeing healthy organic growth as it offers a lasting high ROI system solution to building owners, generating solid pull through sales of CCM insulation and other layman products.
To support our regional growth strategy, we are expanding our metals footprint in 2021 by opening three new locations in the U.S. Metal roofing systems also complement our drive to deliver solutions that support the construction of an efficient building envelope. Metal roofs are 100% recyclable, increase energy efficiency of the building up to 20% versus traditional materials and reduce waste in the manufacturing process.
Fourth, we are committed to accelerating growth in Europe, a $10 billion -- or EU