Ispecx Templates Specifically for Washington State
Blower Door and Duct Testing Forms
What is Washington R402.4.1.2?
The building or dwelling unit shall be tested and verified as having an air leakage rate of not exceeding 5 air changes per hour. Testing shall be conducted with a blower door at a pressure of 0.2 inches w.g. (50 Pascals). Where required by the code official, testing shall be conducted by an approved third party. A written report of the results of the test shall be signed by the party conducting the test and provided to the code official. Testing shall be performed at any time after creation of all penetrations of the building thermal envelope. Once visual inspection has confirmed sealing (see Table R402.4.1.1), operable windows and doors manufactured by small businesses shall be permitted to be sealed off at the frame prior to the test.
Ispecx has an integration of both Blower door and Duct testing RS-33 forms into our reporting software.
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Washington State Testing Firms:
Pacific Northwest Inspections Group for Blower Door and Duct Testing