Family 2

Sol Stack B1™

Sol Stack Series™

3-4 bed / 2 bath per unit (ground floor ADA-compliant)4 floors$143K/unit

Universal design with zero-step entry ground unit

Sol Stack B1™

Technical Specifications

Building Configuration

Building Type

Ground floor ADA + 3 upper units

Floor Count

4 floors

Unit Program

3-4 bed / 2 bath per unit (ground floor ADA-compliant)

Lot Size Range

Medium (3,200-4,500 sq ft)

Infrastructure Systems

Wet Wall Configuration

Centralized wet wall spine

HVAC System

Heat pump per unit

Solar Strategy

Flat roof with extensive solar array

Water Strategy

Rainwater collection for irrigation

Cost Analysis

Cost per Unit

$143,000

Total Build Target (4 units)

$572,000

Cost Efficiency

7K under max

Climate Suitability

TemperateUrban Infill

Deployment Notes

Universal design with zero-step entry ground unit

Ready to Deploy This Prototype?

Use our Interactive Prototype Configurator to see how Sol Stack B1™ matches your specific site parameters.