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Evaluation of Crawlspace Retrofits in Multifamily Buildings

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In 2011 and early 2012, Building Science Corporation (BSC) collaborated with Innova Services Corporation on a multifamily community un-vented crawlspace retrofit project at Oakwood Gardens in Lansdale, Pennsylvania. BSC provided design consulting services and pre- and post-retrofit evaluation, testing, and data monitoring.The existing condition was a vented crawlspace with an un-insulated floor between the crawlspace and the dwelling units above. The crawlspace was therefore a critically weak link in the building enclosure and was ripe for improvement. Saving energy was the primary interest and goal, but the greatest challenge in this un-vented crawlspace retrofit project was working through a crawlspace bulk water intrusion problem caused by inadequate site drainage, window well drainage, foundation wall drainage, and a rising water table during rainy periods.While the un-vented crawlspace retrofit was effective in reducing heat loss, and the majority of the bulk water drainage problems had been resolved, the important finding was that some of the wood joists embedded in masonry pockets behind the brick veneer were showing signs of moisture damage.

Citation Formats

TY - DATA AB - In 2011 and early 2012, Building Science Corporation (BSC) collaborated with Innova Services Corporation on a multifamily community un-vented crawlspace retrofit project at Oakwood Gardens in Lansdale, Pennsylvania. BSC provided design consulting services and pre- and post-retrofit evaluation, testing, and data monitoring.The existing condition was a vented crawlspace with an un-insulated floor between the crawlspace and the dwelling units above. The crawlspace was therefore a critically weak link in the building enclosure and was ripe for improvement. Saving energy was the primary interest and goal, but the greatest challenge in this un-vented crawlspace retrofit project was working through a crawlspace bulk water intrusion problem caused by inadequate site drainage, window well drainage, foundation wall drainage, and a rising water table during rainy periods.While the un-vented crawlspace retrofit was effective in reducing heat loss, and the majority of the bulk water drainage problems had been resolved, the important finding was that some of the wood joists embedded in masonry pockets behind the brick veneer were showing signs of moisture damage. AU - Rudd, Armin DB - Open Energy Data Initiative (OEDI) DP - Open EI | National Renewable Energy Laboratory DO - 10.25984/2204225 KW - building america KW - Multifamily KW - bulk water KW - embedded wood joists KW - residential KW - unvented crawlspace KW - affordable housing KW - temperature KW - relative humidity KW - existing home KW - life cycle cost KW - boiler KW - BuildingAmerica KW - mixed humid KW - moisture risk LA - English DA - 2016/04/27 PY - 2016 PB - Advanced Building Systems T1 - Evaluation of Crawlspace Retrofits in Multifamily Buildings UR - https://doi.org/10.25984/2204225 ER -
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Rudd, Armin. Evaluation of Crawlspace Retrofits in Multifamily Buildings. Advanced Building Systems, 27 April, 2016, Open Energy Data Initiative (OEDI). https://doi.org/10.25984/2204225.
Rudd, A. (2016). Evaluation of Crawlspace Retrofits in Multifamily Buildings. [Data set]. Open Energy Data Initiative (OEDI). Advanced Building Systems. https://doi.org/10.25984/2204225
Rudd, Armin. Evaluation of Crawlspace Retrofits in Multifamily Buildings. Advanced Building Systems, April, 27, 2016. Distributed by Open Energy Data Initiative (OEDI). https://doi.org/10.25984/2204225
@misc{OEDI_Dataset_5498, title = {Evaluation of Crawlspace Retrofits in Multifamily Buildings}, author = {Rudd, Armin}, abstractNote = {In 2011 and early 2012, Building Science Corporation (BSC) collaborated with Innova Services Corporation on a multifamily community un-vented crawlspace retrofit project at Oakwood Gardens in Lansdale, Pennsylvania. BSC provided design consulting services and pre- and post-retrofit evaluation, testing, and data monitoring.The existing condition was a vented crawlspace with an un-insulated floor between the crawlspace and the dwelling units above. The crawlspace was therefore a critically weak link in the building enclosure and was ripe for improvement. Saving energy was the primary interest and goal, but the greatest challenge in this un-vented crawlspace retrofit project was working through a crawlspace bulk water intrusion problem caused by inadequate site drainage, window well drainage, foundation wall drainage, and a rising water table during rainy periods.While the un-vented crawlspace retrofit was effective in reducing heat loss, and the majority of the bulk water drainage problems had been resolved, the important finding was that some of the wood joists embedded in masonry pockets behind the brick veneer were showing signs of moisture damage.}, url = {https://data.openei.org/submissions/5498}, year = {2016}, howpublished = {Open Energy Data Initiative (OEDI), Advanced Building Systems, https://doi.org/10.25984/2204225}, note = {Accessed: 2025-05-11}, doi = {10.25984/2204225} }
https://dx.doi.org/10.25984/2204225

Details

Data from Apr 27, 2016

Last updated Nov 1, 2023

Submitted Apr 27, 2016

Organization

Advanced Building Systems

Contact

Armin Rudd

Authors

Armin Rudd

Advanced Building Systems

Research Areas

DOE Project Details

Project Name Building America

Project Number FY14 AOP 1.9.1.19

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