STR - Structural
The following models are available:
- STR.W1 - Wood, Light Frame
 - STR.W2 - Wood, Commercial & Industrial
 - STR.S1 - Steel Moment Frame
 - STR.S2 - Steel Braced Frame
 - STR.S3 - Steel Light Frame
 - STR.S4 - Steel Frame with Cast-in-Place Concrete Shear Walls
 - STR.S5 - Steel Frame with Unreinforced Masonry Infill Walls
 - STR.C1 - Concrete Moment Frame
 - STR.C2 - Concrete Shear Walls
 - STR.C3 - Concrete Frame with Unreinforced Masonry Infill Walls
 - STR.PC1 - Precast Concrete Tilt-Up Walls
 - STR.PC2 - Precast Concrete Frames with Concrete Shear Walls
 - STR.RM1 - Reinforced Masonry Bearing Walls with Wood or Metal Deck Diaphragms
 - STR.RM2 - Reinforced Masonry Bearing Walls with Precast Concrete Diaphragms
 - STR.URM - Unreinforced Masonry Bearing Walls
 - STR.MH - Mobile Homes