Attic Insulation

Attic Insulation - Measuring The Depth Of Insulation - Checklist • Measure the depth of insulation in each section using a nonmetallic ruler. Record the depth of each section. • If batt or blanket insulation with a vapor barrier was used, ensure that the vapor barrier is turned toward the attic floor if there was no existing insulation or removed if there was existing insulation. • Verify that batt or blanket insulation fits tightly against the sides of joists and against the ends of each batt or blanket. • Ensure that insulation does not contact chimneys, flues, or other energy-dissipating objects and that such insulations are properly blocked. • Ensure that cavities or voids which drop to a lower level have been insulated properly. • Verify that there is at least 1 inch of air space between the insulation and roof sheathing. • Ensure that permanent stairway ceilings and walls have been insulated properly. • Verify that the insulation installed does not cover or block any attic ventilation. (Check the eave vents without light in the attic--light can be seen coming through the eave vents from the outside.) • Ensure that the attic access door is insulated and weatherstripped if it is located in a conditioned area. NOTE any deficiencies detected during the inspection on the Heat Pump Installation Inspection Checklist TVA 6254T. • Ensure that the QCN member has removed any unused materials and debris from the premises. NOTE: All attics insulated with loose-fill insulation should be measured in at least three different points in the attic (preferably in the middle and at both ends) in order to verify that the insulation has been installed with a consistent depth throughout the attic area and at the minimum depth specified on the coverage chart.
Attic Insulation - Floored Attics - Checklist Inspect insulation installed in floored attics using the same procedures outlined for inspecting attic insulation in unfinished attics, with the following exceptions: • If insulation has been installed beneath the flooring material, verify that each joist cavity has been completely filled with insulation by looking through the cracks between the boards or under the area where the flooring material ends. Do not remove any flooring material secured to ceiling joists to inspect the installation. • If insulation has been installed above the flooring material, ensure that the proper R-value has been installed by checking the density (number of bags installed) and the minimum thickness of the installed material