It's worth noting that spray foam insulation has significant CO2 impact (measured as GWP). Some estimate is to have a payback time of 50-60 years (although the

It's worth noting that spray foam insulation has significant CO2 impact (measured as GWP). Some estimate is to have a payback time of 50-60 years (although the manufactures dispute the numbers)[1]. We have opted for cellulose insulation for our new house, which has most of the insulation advantages without the environmental impact. [1]https://www.architectmagazine.com/technology/products/product-review-spray-foam-insulation_o?o=3 https://www.architectmagazine.com/technology/products/produc...