Exterior Rigid Insulation - What are our actual sustainable product options?

Thank you Cheryl. Very interesting. Few thoughts/questions:

  1. this idea of “urban mining” for materials like recycled glass seems very promising since there are so many uses for post consumer glass! Do you know of any cities with good recovery rates and what their regulations are?
  2. Recycling polystyrene is also a toxic process as far as I understand. I was once interested in 100% recycled LVT, but then I learned of the inputs during recycling such as mercury, asbestos and PFAS. Now I am looking for ways not to spec LVT at all.
  3. Has there been a desire expressed by the design community to get more familiar with PCR’s? It seems to be the hidden side of how EPD’s are made, and seems the industry itself can choose what gets counted. For that reason I am skeptical of plastic products real impacts, especially considering all the new information that is becoming more widely known about plastics (for example methane during natural gas extraction to feed ethane crackers). Is that a fair skepticism?
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