EN ·
21st Century ROAD to Housing Act
The 21st Century ROAD to Housing Act became law in July 2026, nearly unanimously. Its three most consequential bundles, what they change, and why it matters.
The Method · 03
Building Codes and Product Approvals
What decides whether you can sell at all.
Before a product competes on price or quality, it has to be allowed on the roof. In the United States that permission is not granted once, nationally. It is decided in pieces, by codes that change from one place to the next, by the approvals a product carries, and by who is even allowed to install it. This section takes that fragmented landscape apart one piece at a time, starting with the shape of the whole thing and working down to the gates that decide whether you are in the market at all.
EN ·
The complexity of Code Approvals for building materials in the USA
There is no single national code. Authority fragments down to the county, the contractor, and even the HOA, and this is the lay of the land.