HomeMy WebLinkAboutPermit File BLD-2019-0833 1211 10th Street (7)Residential Building Air Leakage Test (Blower Door Test) Results
Permit #: BLD-2019-0833
House address or lot number:
city: Anacortes
Cond. Floor Area (ft2):
1812
Source (circle one): Plans
1211 loth St
98221
Age of house:
Estimated
Measured
Results shall be reported as Air Changes per Hour at 50 Pascals (ACH50) and shall be calculated as follows:
ACH50 = (CFM50 x 60)/ Volume
Where:
CFM50 =Blower door fan flow at 50 Pascal pressure difference
Volume = Conditioned Floor Area of the housing unit x ceiling height
Blower Door Test Result:
Ring (circle one if applicable):
Blower Door Fan Location:
5.10
ACH50
1618.E CFM@50Pa
Open AO
0
Back foyer dOOr Weather Conditions:
C
48deg 7mph
certify that these blower door results are accurate and determined using standard industry protocol.
Company Name: BUlldln
Performance Center Technician: Sean Slocum
Technician Signature
2015 Washington State Energy Code reference:
Phone Number: 360-739-0744
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 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 business
shall be permitted to be sealed off at the frame prior to the test.
During testing:
1. Exterior windows and doors, fireplace and stove doors shall be closed, but not sealed, beyond the intended
weatherstripping or other infiltration control measures;
2. Dampers including exhaust, intake, makeup air, backdraft and flue dampers shall be closed, but not sealed
beyond intended infiltration control measures;
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;
4. Exterior openings for continuous ventilation systems and heat recovery ventilators shall be closed and sealed;
5. Heating and cooling systems, if installed at the time of the test, shall be turned off, and
6. Supply and return registers, if installed at the time of the test, shall be fully open.