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Recent Projects - Early 1800s Home

Early 1800s Home

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About the House

2,460 sf
Basement - Rubble Foundation Wall and
Crawlspace with Dirt Floor
Walk-up Attic
​Oil Boiler - Hot Water, Cast Iron Radiators


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Walk up Attic
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Crawlspace - Basement
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Exterior Walls

Findings and Recommendations


  • Timber frame structure - movement
  • Knob & Tube wiring
  • Bulk moisture - dirt floor in crawlspace, water seepage in basement, no bath fans
  • Little to no insulation in attic, basement-crawlspace, exterior walls,
  • LOTS of air leakage

​Master Plan - Holistic and Phased Approach

Phase 1a– Address Safety and Structure
  • Remove knob & tube wiring
  • Perform structural repairs
  • Remove ventless heating appliance
  • Mitigate bulk moisture
Phase 1b – Address Insulation
  • Air seal & insulate attic
  • Air seal & insulate crawlspace

Future Phases
Fine-Tune Boiler Operation:
  • Replace older supply/return piping​
  • Additional zones for comfort
Sill Repair​:
  • Air Seal-Insulate Sill
  • Insulate Foundation Walls
Insulate Exterior Walls:
  • Includes drilling, filling and patching
Results
Air Leakage Reduced by 18%
Improved Comfort  noticed immediately
Reduced heating load and costs
​Improved IAQ and Durability
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Building Durability & Water Issues
​Moisture Mitigation & IAQ

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Address Safety and Structure
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Mitigate Moisture with Crawlspace Encapsulation
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Remove ventless gas heating appliance

Ventilation & Building Envelope Improvements

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Install high quality bath fans

Attic Air Sealing

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Attic Insulation - Blown Cellulose

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Building Works, LLC    |   84 Pleasant Hill Rd    |   Freeport, ME  04032-6439     |    United States    |    PH: (207) 653-8815
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