Duct Leakage Test Form Nc

Ul181 labeled tape or mastic.

Duct leakage test form nc.

Use only approved durable materials to seal ducts. Mastic works best on metal ducts and seams. In both cases the requirements are the same. Meeting the nc 2012 energy code requirements.

Total duct leakage rate must be 6 or less and recorded on the energy efficiency certificate. For the test criteria the report shall be produced in the following manner. Example blank form duct leakage test form customer information. 6 name of tester company.

All ducts air handlers filter boxes and building cavities used as ducts shall be sealed. Perform the hvac system air leakage test and record the cfm25. The system will need to achieve a leakage rate of less than 4 cfm cubic feet per minute per 100 square feet of the home. Insulation r total duct leakage test result sect.

25 pa across the entire system including the manufacturer s air handler enclosure. Joints and seams shall comply with section 603 of the nc mechanical code. Duct air leakage test section 403 2 2 sample worksheet n1103 2 2 sealing. A duct leakage test duct testing can be performed at rough in before drywalling or post construction.

0 30 name of tester company. Duct tightness shall be verified as follows. Building air leakage visually inspected according to 402 4 2 1 or building air leakage test results sec. Retrotec model 200 ductester operation manual for residential applications rev 2015 01 22.

The nc 2012 residential energy code requires duct testing in new homes. Block if present the ventilation air duct connected to the conditioning system. The duct leakage information including duct leakage test selected and result tester name date and contact information shall be included on the certificate described in section n1101 3.