1.1 This guide gives examples of performance statements for durable in-place materials, products, components, subsystems, and systems for single family attached and detached dwellings, considering the effects of normal degradation factors to which they are anticipated to be subjected over their service lives. Table 1 provides a listing of the sections of this Guide that address durability including the performance statements.

1.2 Damage from extreme acts of nature, vandalism, or intentional destructive acts by dwelling inhabitants are not considered as normal degradation factors affecting durability in this guide.

1.3 This guide also addresses site planning in so far as it affects the durability of single family attached and detached dwellings.

1.4 This guide is not intended to be used as a prescriptive regulatory document.

1.5 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.