2026 Unlimited Residential
2nd Runner-Up

Project Statistics


Location: New Hampshire
Type: Residence
Size: 7,500 sq. ft.
ICF Use: 19,420 sq. ft.
Cost: $3.5 million
Total Construction: 88 weeks
ICF Installation Time: 125 days

Construction Team


General Contractor: CIB Custom Homes
ICF Installer: Groen Construction
Form Distributor: Atlantic Builders Supply
Architect: Studio B-E
ICF System: Nudura by Tremco CPG

Fast Facts


  • All exterior walls and the structural floor system are ICFs

  • Indoor ICF pool

  • 21 90-degree corners, 7 custom corners, 8 T-wall intersections

  • 9 ICF gable ends for rugged connections to roof system

  • GC’s first ICF project; made them ICF advocate

  • Two-story detached ICF garage with RV bay; apartment

Granite State Sanctuary

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