Building Structure Types

Classifications

FEMA IBC MVS
1 - Light wood or steel stud frame (residential) W1 V D See Details
2 - Heavier wood or steel stud frame (light commercial) W2 V D See Details
3 - Unreinforced masonry walls, wood joists (both residential & commercial) URM III C See Details
4 - Reinforced masonry walls, metal joists, decks w/concrete fill RM2 IIA C See Details
5 - Pre-cast tilt-up concrete wall buildings, metal joists, decks w/conc fill PC1 IIA C See Details
6 - Engineered wood post frame (called pole buildings 30 years ago) W1A IV Dpole See Details
7 - Pre-engineered steel frame S3 IIB S See Details
8 - Structural steel frame with fire resistant coatings S1 IB A/B See Details
9 - Steel reinforced concrete frame, highly fire resistant, nearly fireproof C1 IA A/B See Details
Nine Exterior Cover (Cladding) Groups See Details