Description

Building permit offices are starting to require a 3rd party inspection of insulation/thermal barrier through blower door performance or visual inspection. This class overviews the requirements of visual inspection, what it encompasses, what it cost, pros and cons, and comparing blower door vs. visual inspection. Worth 2.0 CEUs

Presented by our Bronze Industry Partner Baum Environmental Group

State code amendment

Section N1102.4.2.1 Testing options: (this is the state code requiring either blower door or visual testing) Tested air leakage is less than 7 ACH when tested with a blower door at a pressure of 50 pascals (0.007 psi). Testing shall occur after rough in and after installation of penetrations of the building envelope, including penetrations for utilities, plumbing, electrical, ventilation and combustion appliances. When the contractor, design professional or homeowner chooses the blower door testing option, blower door testing shall be performed by individuals certified to perform blower door tests by a nationally recognized organization that trains and provides certification exams for the proper procedures to perform such tests. The responsible BCEO shall accept written blower door test reports from these certified individuals to verify the minimum requirements of Section N1102.4.2.1 Testing Option are attained.

N1102.4.2.2 Visual Inspection Option.  The items listed in Table N1102.4.2, applicable to the method of construction , are field verified.  Where required by the code official, an approved party independent from the installer of the insulation, shall inspect the air barrier and insulation.