ESS-AP-480
Alpine Pair 480
Alpine Pair 480
Twin module — stacked or side-by-side
Two repeatable room modules designed to lock together on site for duplex, ADU pair, or small multi-unit pod. Shared marriage wall minimizes exterior surface; stair / corridor cores can be site-built or shipped as add-on.
- Paired units reduce perimeter heat loss
- Stacking pattern for 2–3 stories
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Specifications
- Unit footprint (each)
- 12′-0″ × 20′-0″ (3.66 × 6.10 m)
- Interior floor area (each)
- ~240 ft² (22.3 m²) net
- Combined pair (plan)
- 24′-0″ × 20′-0″ (7.32 × 6.10 m) typical
- Shipping
- Two loads; set sequence documented in IPP
- Structure
- Inter-module shear ties + grouted levelling shims (detail set)
- Fire
- 2-hr marriage wall assembly where required (jurisdiction review)
- Envelope target
- R-28 wall; continuous roof insulation over both units
- Sound
- STC 56 between units (nominal assembly)
- Utilities
- Separate meters option; shared wet wall zone available
- Lead time (indicative)
- 22–28 weeks for pair from shop release