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Habitat for Humanity - Arundel: Annapolis, MD
- For the ICFs, the volunteers did not have the specialized equipment—scaffolding and bracing—necessary for a successful installation. Due to this and the tight site layout, Arundel Habitat decided to hire a professional ICF contractor. No local ICF contractor could be retained, so an out-of-state company was hired.
- Walls and floors were framed in-line at 16 inches on-center which allowed a single top plate to be used. This saved 16 plates of 2"x 4"x14’ (150 board feet of lumber) and allowed that wall space, roughly 2.5 square feet, to be detailed with R-13 insulation.
- CFs and ducts in conditioned space added some initial cost to the project that was expected to be recaptured in the lower energy use anticipated for the ENERGY STAR-qualified home.
See Final Report in Resources: Table 1 - Added Cost of Technologies and Techniques
See Final Report in Resources: Table 3 - Estimated Annual Energy Costs