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Accessory Dwelling Units – Coming

Enclosure Package Options

Ecocor Optima 4 Shell

  • Ecological standard: Cost-effective using sustainable materials
  • Insulation: Varying options to suit the site’s climate

  • Windows: Viking triple glazed windows

  • Airtightness: Airtight, vapor open construction

  • Wall components: Optima 4 or Optima 6

  • Wall thickness: 7.125″-9.125″ (excludes/exterior finish)

What’s Included

  • Applicable foundation system
  • 1 crane day on site
  • Exterior Wall Panels
  • Second Floor System (if applicable)
  • Interior Walls
  • Ventilation System2  
  • Roof Structure3
  • Air-Sealing & Insulation
  • Windows
  • Stairs (if applicable)
  • Shipping within Maine

Optima 4 wall (R23), Optima 16 Roof (R60)

What’s NOT Included

  • Site Installation outside of Maine
  • Land, Site Work, Septic, Utility Service
  • foundation
  • Interior and Exterior Fit and Finishes
  • Mechanical, Electrical and Plumbing
  • Ventilation System Installation
  • Interior doors

Ecocor Optima 6 Shell

  • Ecological standard: Cost-effective using sustainable materials
  • Insulation: Varying options to suit the site’s climate

  • Windows: Viking triple glazed windows

  • Airtightness: Airtight, vapor open construction

  • Wall components: Optima 4 or Optima 6

  • Wall thickness: 7.125″-9.125″ (excludes/exterior finish)

What’s Included

  • Applicable foundation system
  • 1 crane day on site
  • Exterior Wall Panels
  • Second Floor System (if applicable)
  • Interior Walls
  • Ventilation System2  
  • Roof Structure3
  • Air-Sealing & Insulation
  • Windows
  • Stairs (if applicable)
  • Shipping within Maine

Optima 6 wall (R30), Optima 16 Roof (R60)

What’s NOT Included

  • Site Installation outside of Maine
  • Land, Site Work, Septic, Utility Service
  • foundation
  • Interior and Exterior Fit and Finishes
  • Mechanical, Electrical and Plumbing
  • Ventilation System Installation
  • Interior doors

1. Ecocor foundation system provided by Ecocor. 2. Zehnder Ventilation system supplied by Ecocor, installation by others. *Does no include cost of land, site work, well, septic, and utilities. Cost of owner items may vary from region to region. The stated cost is for Maine region only. Equipment rental to set structure is included in Shell Pricing and is calculated by the Maine market. Actual price may vary based on project location.

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