Deep Energy Retrofit

• This performance exterior was part of a whole house renovation and was also one of National Grids deep energy retrofit pilot projects.
  • Outboard wall insulation also performing as water and air barrier system
  • Attic encapsulation (air barrier and thermal boundary moved to underside of roof)
  • Basement encapsulation (air barrier and thermal boundary moved to the outside walls)
  • Energy efficient and low maintenance fiberglass/wood windows. Energy efficient and durable exterior doors
  • PVC exterior trim with fiber-cement siding
  • New composite asphalt roofing