Performance Guidelines According to

The National Association of Home Builders 

"Beyond building codes and local regulations, both contractors and their customers have long sought measurable benchmarks that deal with the expectations of performance in the goods and services provided by the residential construction industry. Although codes and regulations address matters of health, safety, and welfare, matching a consumer’s expectations entails having objective criteria regarding performance. Upon this premise, the Residential Construction Performance Guidelines were developed and refined to offer achievable minimum levels of workmanship for the products delivered," according the National Association of Home Building