During a recent evaluation of a newly constructed multifamily building, Jerritt Gluck of Bonded Building and Engineering in Oyster Bay, NY, encountered a classic case of stack effect, or so he thought.

The developer of the $30 million + multifamily construction project looking for LEED certification was in trouble, so they engaged BB&E to perform an ASTM 779-10 test of the building as part of the LEED certification process.

ASTM 779-10 tests are performed on individual apartments with the adjacent apartments open to outdoors. The point of the test is to measure unit inter-connectivity. Blower door tests are performed on all corner apartments plus a random 20 percent of those remaining. If they all pass then it can be assumed the rest of the apartments would also pass. Should any one apartment fail, an additional apartment must be added (per each failure) until at least 90 percent of the tested units pass.

Click here to read the rest, and see if you can come up with the ri...

Tags: BPI, Chump, Newsletter, Stump, the

Views: 129

Home Energy Pros

Home Energy Pros was founded by the developers of Home Energy Saver Pro (sponsored by the U.S. Department of Energy,) and brought to you in partnership with Home Energy magazine.

Latest Activity

Paul Raymer's blog post was featured

What does it take to be a certified Home Energy Professional Quality Control Inspector (HEP QCI)?

A quality control program requires knowing a lot about a lot of different subjects.  A HEP (BPI…See More
9 hours ago
Bryan Pringle replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"Can you tell me more about how the plastic makes the moisture worse?   I understand that in…"
11 hours ago
Profile IconMatthew Cooke, yasmine smith, myacand heat and 2 more joined Home Energy Pros
11 hours ago
Bryan Pringle replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"I like cellulose because of its air leakage reduction property and the ease of making a quality…"
12 hours ago
Bryan Pringle replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"This example is the reverse of my suggestion.  I would do high end vapor barrier against…"
12 hours ago
Al Heath replied to Bryan Pringle's discussion Dense packed cellulose in basement?
"Really?  Go back and read these posts again.... "play ground for mold."  I…"
12 hours ago
Mary Desilva posted blog posts
12 hours ago
Kim Tanner posted a video

Single Family Residential Air Leakage Testing

This session will cover the basics of air leakage testing on a single family home as well as issues that affect the accuracy and repeatability of the test. T...
13 hours ago

© 2015   Created by Lawrence Berkeley National Laboratory.

Badges  |  Report an Issue  |  Terms of Service