This is a difference in worldview as to what the proper role of government should be. For insulation, no I do not believe there should be a government enforce

This is a difference in worldview as to what the proper role of government should be. For insulation, no I do not believe there should be a government enforced standard, and analog to the IT world, we have all kinds of "standards" almost none of them enforced by law. Companies advertise they are complaint with standard X, or Y because it advantageous for them to do so Builders of home could to the same, insurers of home could require it in order to insure a home, or provide discounts if a home is compliant with X standard, mortgage companies could require it, or factor it in to the appraisals. There are all kinds of market based, none government methods to apply standards Government action, which you must remember is back by the threat of violence, should be reserved for things that directly impact safety >>any subsequent buyer has very little idea what standards the house was built to. Here I do see a role for government, in disclosure laws, and enforcement of fraud if a seller claim a home was built to X standard and it was not