Bill Nickerson is our PHIUS + rater. We performed a preliminary blower door test before we installed the exterior insulation to make sure we were on target.
For our preliminary test we achieved about 0.7ACH at 50 pascals. We have a small space and Bill had to break out the 'D' ring to get the right air flow. For the final test we need to achieve 0.6 - we are almost there!
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