Near/at end useful life, budget for replacement: The attic insulation is near or at the end of its useful life. We recommend establishing a budget to replace the attic insulation.
Past end useful life, budget for replacement: The attic insulation is past the end of its useful life. We recommend establishing a budget to replace the attic insulation.
Inadequate by current standards: The level of attic insulation is considered inadequate by current standards. Consider installing additional insulation in accordance with local guidelines to improve energy efficiency.