Laserfiche WebLink
Residential Building Air Leakage Test IBlower Door Test) Results <br />Permit #: <br />House address or lot number: % / 1 t I v <br />City: la Cdf <br />Cond. Floor Area (ft ): <br />Source (circle one): (Plan <br />Age of house: N E' low <br />Estimated <br />Measured <br />Results shall be reported as Air Changes per Hour at 50 Pascals (ACHso) and shall be calculated as follows: <br />ACHso = (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 />Blower Door Test Result: � � � ACHso <br />L410 CFM@50Pa <br />Ring (circle one if applicable): Open <br />Blower Door Fan Location: <br />0 <br />L= <br />Weather Conditions: <br />I certify that these blower door results are accurate and determined using standard industry protocol. <br />Company Name: Technician: <br />Technician Signature: �- ��-�'" \ Date: � Z-�/ Phone Number: <br />3Gv- ASS ` �ozS <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 <br />exceeding 5 air changes per hour. Testing shall be conducted with a blower door at a pressure of 0.2 inches w.g. (50 <br />Pascals). Where required by the code official, testing shall be conducted by an approved third party. A written report <br />of the results of the test shall be signed by the party conducting the test and provided to the code official. Testing <br />shall be performed at any time after creation of all penetrations of the building thermal envelope. Once visual <br />inspection has confirmed sealing (see Table R402.4.1.1), operable windows and doors manufactured by small business <br />shall be permitted to be sealed off at the frame prior to the test. <br />