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NStar Excavationless Foundation Insulation Installation

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Building science research supports installing exterior (soil side) foundation insulation as the optimal method to enhance the hygrothermal performance of new homes. With exterior foundation insulation, water management strategies are maximized while insulating the basement space and ensuring a more even temperature at the foundation wall. Controlling for bulk water, vapor, and wall temperature differential reduces the risk of rot and mold formation to insulation and building materials, thereby improving opportunities for structural integrity, indoor air quality, comfort, and energy efficiency. However, such an approach can be very costly and disruptive when applied to an existing home, requiring deep excavation around the entire house. In addition, removed soil must be stockpiled close to the excavation, increasing the size of the project area and attendant landscape impact. The NorthernSTAR Building America Partnership team implemented an innovative, minimally invasive foundation insulation upgrade technique on an existing home. The approach consisted of using hydrovac excavation technology combined with a liquid insulating foam. Two houses were originally selected for this field study. One was not ready for retrofit at the time of study and had to be eliminated. The collaborative nature of the one field installation, however, enabled the team to advance the methodology as the work progressed. Improvements to the method of installation and reduction of costs were developed on site.

This is a repository for all "excavationless" foundation insulation retrofit projects performed by the NorthernSTAR research team.
### STRUCTURE - Test House 902 N 22nd Ave
* Description:
* Address 902 North 22nd Ave.
Minneapolis, MN 55411
* Last Update: 2015-07-01
* Last Updated By: Rolf Jacobson
Test house for first NorthernSTAR excavationless foundation insulation retrofit.

Citation Formats

University of Minnesota. (2016). NStar Excavationless Foundation Insulation Installation [data set]. Retrieved from https://data.openei.org/submissions/5178.
Export Citation to RIS
Jacobson, Rolf, Schirber, Tom, Ojzcyk, Cindy, and Mosiman, Garrett. NStar Excavationless Foundation Insulation Installation. United States: N.p., 27 Apr, 2016. Web. https://data.openei.org/submissions/5178.
Jacobson, Rolf, Schirber, Tom, Ojzcyk, Cindy, & Mosiman, Garrett. NStar Excavationless Foundation Insulation Installation. United States. https://data.openei.org/submissions/5178
Jacobson, Rolf, Schirber, Tom, Ojzcyk, Cindy, and Mosiman, Garrett. 2016. "NStar Excavationless Foundation Insulation Installation". United States. https://data.openei.org/submissions/5178.
@div{oedi_5178, title = {NStar Excavationless Foundation Insulation Installation}, author = {Jacobson, Rolf, Schirber, Tom, Ojzcyk, Cindy, and Mosiman, Garrett.}, abstractNote = {Building science research supports installing exterior (soil side) foundation insulation as the optimal method to enhance the hygrothermal performance of new homes. With exterior foundation insulation, water management strategies are maximized while insulating the basement space and ensuring a more even temperature at the foundation wall. Controlling for bulk water, vapor, and wall temperature differential reduces the risk of rot and mold formation to insulation and building materials, thereby improving opportunities for structural integrity, indoor air quality, comfort, and energy efficiency. However, such an approach can be very costly and disruptive when applied to an existing home, requiring deep excavation around the entire house. In addition, removed soil must be stockpiled close to the excavation, increasing the size of the project area and attendant landscape impact. The NorthernSTAR Building America Partnership team implemented an innovative, minimally invasive foundation insulation upgrade technique on an existing home. The approach consisted of using hydrovac excavation technology combined with a liquid insulating foam. Two houses were originally selected for this field study. One was not ready for retrofit at the time of study and had to be eliminated. The collaborative nature of the one field installation, however, enabled the team to advance the methodology as the work progressed. Improvements to the method of installation and reduction of costs were developed on site.

This is a repository for all "excavationless" foundation insulation retrofit projects performed by the NorthernSTAR research team.
### STRUCTURE - Test House 902 N 22nd Ave
* Description:
* Address 902 North 22nd Ave.
Minneapolis, MN 55411
* Last Update: 2015-07-01
* Last Updated By: Rolf Jacobson
Test house for first NorthernSTAR excavationless foundation insulation retrofit.
}, doi = {}, url = {https://data.openei.org/submissions/5178}, journal = {}, number = , volume = , place = {United States}, year = {2016}, month = {04}}
### STRUCTURE - Test House 902 N 22nd Ave
* Description:
* Address 902 North 22nd Ave.
Minneapolis, MN 55411
* Last Update: 2015-07-01
* Last Updated By: Rolf Jacobson
Test house for first NorthernSTAR excavationless foundation insulation retrofit.
}, doi = {}, url = {https://data.openei.org/submissions/5178}, journal = {}, number = , volume = , place = {United States}, year = {2016}, month = {04}}" readonly />

Details

Data from Apr 27, 2016

Last updated Jun 13, 2022

Submitted Apr 27, 2016

Organization

University of Minnesota

Contact

Rolf Jacobson

Authors

Rolf Jacobson

University of Minnesota

Tom Schirber

NorthernSTAR Building America Partnership

Cindy Ojzcyk

NorthernSTAR Building America Partnership

Garrett Mosiman

NorthernSTAR Building America Partnership

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