4.1102.1 Open-Cavity Wall Insulation—General

Topic: 
Walls
Subtopic: 
Accessible Walls
Desired Outcome: 
Consistent, uniform thermal boundary Thermal boundary The separation between the interior and exterior environments of a building that slows heat flow between the conditioned space and unconditioned space to prescribed R-value
TitleSpecification(s)Objective(s)
4.1102.1a
Sealing

Holes and penetrations will be sealed

Bypasses will be blocked and sealed

Prevent air leakage

4.1102.1b
Installation

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

Insulation will be installed to prescribed R-value

Insulate to prescribed R-value

4.1102.1c
Pre-drywall verification

Verification of complete installation without gaps, voids, compressions, misalignments, or wind intrusions will be provided

Install insulation correctly

4.1102.1d
Onsite documentation

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

  • Insulation type
  • Coverage area
  • R-value
  • Installed thickness and settled thickness (settled thickness required for loose-fill only)
  • Number of bags installed in accordance with manufacturer specifications (for loose-fill only)
  • Document job completion to contract specifications

    Confirm amount of insulation installed

    Comply with 16 CFR 460.17