HomeMy WebLinkAboutPermit File 4317 Cherry Court (3) ;. vx�
INSTALLED INSULATION CERTIFICATE
P.O Box 2921 --2114.11141."- Office: (360)424-5179
Mt. Vernon WA Fax: (360)428-5081
I[IBIQLATION & SEIIVUUE5 lL
We certify that the following residence has been insulated with the following materials:
Flat Attic blow VALUE R-49
Slope Ceiling Batts VALUE R-38
Exterior Walls VALUE R-21
Crawl Space VALUE R-38
Address: 4317 Cherry Cr,Anacortes WA Certify by ; SP>.i' .o- L_®ZZGu't,D-
Date Installed November 2021 Title Manager
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Residential Building Air Leakage Test (Blower Door Test) Results
Permit #: Cherry Ct. lot# 4
House address or lot number: 4317 Cherry Ct, _ _-- -__,._-..w..._-.,___..___ ____._____
City: Anacortes Zip: _98221
Cond. Floor Area (ft2): 3,108 _ Age of house: Brand New _
Source (circle one): ifi Plans ) Estimated Measured
Results shall be reported as Air Changes per Hour at 50 Pascals (ACH50) and shall be calculated as follows:
ACH!}c, = (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: 4.0 ACH50
1 ,900 CFM ar�50Pa
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Ring (circle one if applicable): Open A i C
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Blower Door Fan Location: blew .i %' .''r`1'' t.- Weather Conditions: _ ' ! 0L,6 .�
1 certify that these blower door results are accurate and determined using standard industry protocol.
Company Name: Master Insulation & Services LLC Technician: Florentina Galvez
Technician Signature: ./\ .oi,s Date: `2•vZ 2,.__ Phone Number: 360-424-5179
.2015 Washington State Energy Code reference:
1 402.4. 1,2. Testing. The building or dwelling unit shall be tested and verified as having an air leakage rate of not
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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 shalt be si ned b 1 the arty condnetin the test and rovided to the code o 'idol. *resting
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.