4.1005.1 Accessible Floors—Batt Installation

Topic: 
Attics
Subtopic: 
Attic Floors
For supporting material, see Building America Solution Center.
Desired Outcome: 
Consistent, thermal boundary Thermal boundary The separation between the interior and exterior environments of a building that slows heat flow between conditioned and unconditioned space controls the heat flow
TitleSpecification(s)Objective(s)
4.1005.1a
Preparation

Subfloor or drywall will be removed to access cavities as necessary, including inaccessible knee-wall attic floor spaces

All electrical junctions will be flagged to be seen above the level of the insulation

Open electrical junction boxes will have covers installed

Access the workspace

Provide location of electrical junctions for future servicing

Prevent an electrical hazard

4.1005.1b
Installation

Batt insulation will be installed in accordance with manufacturer specifications without gaps, voids, compressions, misalignments, or wind intrusions

Insulation will be installed to the prescribed R-value

Insulate to prescribed R-value

4.1005.1c
Occupant education

A dated receipt signed by the installer will be provided that includes:

  • Coverage area
  • Thickness
  • R-value
  • Document job completion to contract specifications

    Confirm amount of insulation installed

    Comply with 16 CFR 460.17