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IBDT BLOWER DOOR TEST RESULTS <br /> Blower Door Testing NW Date of Test: <br /> ) 9)4\ <br /> 425-312-3914 •BlowerDoorNW.com Technician Name: it70, <br /> blowerdoorschedule@@@.gmclil,com <br /> Job Site Information <br /> Permit#: <br /> Address and Lot Number: 39 L Q/ JL ,I 1 0 / <br /> .-i A /./);--- <br /> City: c ' f Zip Code: <br /> Cond. Floor Area(ft2): l la a ( Age of House: 140 /01),S,4--- (1)"? <br /> Source(check one): APlans ❑Estimated ❑Measured <br /> Test Results � ,, I <br /> (Pass IJ Fail 1=1L/ /Could Not Complete l/// co' Volume <br /> I • B 1 9 ACH5o <br /> Test Target `� �Cl B • CFM@50Pa <br /> Ring(check one if applicable): ❑ Open ❑A 4B ❑C <br /> ti <br /> Blower Door Fan Location: OA.,al/6 ) 4' Weather Conditions: �'„r <br /> ri <br /> Results shall be reported as Air Changes per Hour at 50 Pascals(ACH50)and shall be calculated as follows: <br /> ACH50=(CFM50 x 60)/Volume <br /> Where: <br /> CFM50=Blower door fan flow at 50 Pascal pressure difference <br /> Volume=Conditioned Floor Area of the housing unit x ceiling height <br /> 2015 Washington State Energy Code reference: <br /> R402.4.1.2 Testing.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 <br /> 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 <br /> 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 <br /> visual inspection has confirmed sealing(see Table R402.4.1.1),operable windows and doors manufactured by small business shall be permitted to be sealed off at the frame prior to the test. <br /> During testing: <br /> 1.Exterior windows and doors,fireplace and stove doors shall be closed,but not sealed,beyond the intended weatherstripping or other infiltration control measures; <br /> 2.Dampers including exhaust,intake,makeup air,backdraft and flue dampers shall be closed,but not sealed beyond intended infiltration control measures; <br /> 3.Interior doors,if installed at the time of the test,shall be open,access hatches to conditioned crawl spaces and conditioned attics shall be open; <br /> 4.Exterior openings for continuous ventilation systems and heat recovery ventilators shall be closed and sealed; '"—) <br /> 5.Heating and cooling systems,if installed at the time of the test,shall be turned off and <br /> 6.Supply and return registers,if installed at the time of the test,shall be fully open. C <br /> i1"-- <br /> i <br /> i <br />