Specialists to build the shell.
Less cost. Fewer specialists. Shorter timeline.
Number of Specialists Needed for Shell
Only four specialists needed to build the shell.
Two materials—foam and concrete—mean fewer specialists and shorter build time than wood framing.
Full technical comparison
| Criteria | Wood | Masonry | Metal Framing | SIPS | ICF | SABS |
|---|---|---|---|---|---|---|
| Number of Specialists Needed for Shell | 11 | 8 | 11 | 10 | 9 | 4 |
| Insulating R-Rating | 16 | 19 | 16 | 25 | 22 | 60 Minimum |
| Sound STC Rating | 32 | 50 | 28 | 40 | 48 | 52 |
| Air Leakage | 0.35 | 0.3 | 0.35 | 0.2 | 0.09 | 0.05 |











