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Product Category - Insulation
Product Type - Building
Federal Tax Credit Specification
Montana Tax Credit Specification
Meets 2009 IECC & Amendments
Improvements
    No minimum standards for insulation that is not part of new construction
New construction
    ceilings – R-49
    crawlspace walls -- R-20
    exterior walls -- R-21
    finished basement walls – R-11
    floors over unconditioned spaces – R-21
    slab perimeter area four feet vertical or horizontal - R-13
Federal Tax Credit
Montana Tax Credit
30% of cost, up to $1,500*
25% of cost, up to $500**
Federal Notes
Montana Notes
For insulation to qualify, its primary purpose must be to insulate (example: insulated siding does not qualify).
Must be expected to last 5 years OR have a 2 year warranty
Check to see if you have Home Performance with ENERGY STAR in your areas.  Adding insulation to your home is covered.
Unlike the federal credit, the Montana credit:
  • is allowed for installation in dwellings, not only the taxpayer’s principal residence
  • includes installation costs
*    Subject to a $1,500 maximum per homeowner for all improvements combined.
**    Subject to a $500 annual maximum per taxpayer per building for all improvements combined.