Northstar ICF Supply serves greater New Hampshire as distributor of BuildBlock™ Building Systems, LLC.  Buildblock™ features completely reversible insulating concrete forms, an exciting new concept in ICF block distribution.

Our insulating concrete form (ICF) wall system is comprised of hollow foam blocks which are stacked into the shape of the exterior walls of a building, reinforced with steel rebar, and then filled with concrete.

ICFs help your structure qualify for new Federal tax credits and deductions.

Buildblock™ ICFs create a highly energy efficient structure and, depending on climate, homeowners enjoy a 30 - 80% savings in heating and/or cooling costs.