Foundations
Foundation design, footings, and drainage requirements (R401-R408)
Sections
General Foundation Requirements
Section R401.1 — General Foundation Requirements. Foundation construction shall comply with the provisions of this chapter. Foundations shall be designed and constructed to support all loads specified in Section R301 without excee...
Wood Foundation General
Section R402.1 — Wood Foundation General. Wood foundations shall be designed and installed in accordance with the provisions of this section. All lumber and plywood used in wood foundations shall be pressure-preservative t...
Footings
Section R403.1 — Footings. All exterior walls shall be supported on continuous solid or fully grouted masonry or concrete footings, crushed stone footings, wood foundations, or other approved structural syst...