If YETI can make a cup that keeps water cold or hot for hours and a cooler that holds ice for hours, then why aren’t we building houses with that same material?

Question

If YETI can make a cup that keeps water cold or hot for hours and a cooler that holds ice for hours, then why aren’t we building houses with that same material?

In: 824

Answer 1

We do build houses with the same insulation found in the walls of a Yeti cooler. It is polyurethane foam. It is usually sprayed onto the inside of houses, but it also comes in sheets which can be fitted to the outside of the sheathing before the siding or roofing goes on.