Spray Foam Exterior Insulation with Stand-Off Furring
Abstract
IBACOS, in collaboration with GreenHomes America, was contracted by the New York State Energy Research and Development Authority to research exterior wall insulation solutions. This research investigated cost-effective deep energy retrofit (DER) solutions for improving the building shell exterior while achieving a cost-reduction goal, including reduced labor costs to reach a 50/50 split between material and labor. The strategies included exterior wall insulation plus energy upgrades as needed in the attic, mechanical and ventilation systems, and basement band joist, walls, and floors. The work can be integrated with other home improvements such as siding or window replacement. This strategy minimizes physical connections to existing wall studs, encapsulates existing siding materials (including lead paint) with spray foam, and creates a vented rain screen assembly to promote drying. GreenHomes America applied construction details created by IBACOS to a test home. 2x4 framing members were attached to the wall at band joists and top plates using 'L' clips, with spray foam insulating the wall after framing was installed. Windows were installed simultaneously with the framing, including extension jambs. The use of clips in specific areas provided the best strength potential, and 'picture framing' the spray foam held the 2x4s in place. Short-term testingmore »
- Authors:
-
- IBACOS, Inc., Pittsburgh, PA (United States)
- Publication Date:
- Research Org.:
- National Renewable Energy Lab. (NREL), Golden, CO (United States); IBACOS, Inc., Pittsburgh, PA (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Energy Efficiency Office. Building Technologies Office
- OSTI Identifier:
- 1127282
- Report Number(s):
- DOE/GO-102014-4399
KNDJ-0-40341-04
- DOE Contract Number:
- AC36-08GO28308
- Resource Type:
- Technical Report
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; residential; residential buildings; IBACOS; Building America; spray foam; deep energy retrofit (DER); energy retrofit; existing home; cold climate; stand-off furring; New York State Energy Research and Development Authority (NYSERDA); window installation; insulation; GreenHomes America; exterior wall insulation
Citation Formats
Herk, Anastasia, Baker, Richard, and Prahl, Duncan. Spray Foam Exterior Insulation with Stand-Off Furring. United States: N. p., 2014.
Web. doi:10.2172/1127282.
Herk, Anastasia, Baker, Richard, & Prahl, Duncan. Spray Foam Exterior Insulation with Stand-Off Furring. United States. https://doi.org/10.2172/1127282
Herk, Anastasia, Baker, Richard, and Prahl, Duncan. 2014.
"Spray Foam Exterior Insulation with Stand-Off Furring". United States. https://doi.org/10.2172/1127282. https://www.osti.gov/servlets/purl/1127282.
@article{osti_1127282,
title = {Spray Foam Exterior Insulation with Stand-Off Furring},
author = {Herk, Anastasia and Baker, Richard and Prahl, Duncan},
abstractNote = {IBACOS, in collaboration with GreenHomes America, was contracted by the New York State Energy Research and Development Authority to research exterior wall insulation solutions. This research investigated cost-effective deep energy retrofit (DER) solutions for improving the building shell exterior while achieving a cost-reduction goal, including reduced labor costs to reach a 50/50 split between material and labor. The strategies included exterior wall insulation plus energy upgrades as needed in the attic, mechanical and ventilation systems, and basement band joist, walls, and floors. The work can be integrated with other home improvements such as siding or window replacement. This strategy minimizes physical connections to existing wall studs, encapsulates existing siding materials (including lead paint) with spray foam, and creates a vented rain screen assembly to promote drying. GreenHomes America applied construction details created by IBACOS to a test home. 2x4 framing members were attached to the wall at band joists and top plates using 'L' clips, with spray foam insulating the wall after framing was installed. Windows were installed simultaneously with the framing, including extension jambs. The use of clips in specific areas provided the best strength potential, and 'picture framing' the spray foam held the 2x4s in place. Short-term testing was performed at this house, with monitoring equipment installed for long-term testing. Testing measurements will be provided in a later report, as well as utility impact (before and after), costs (labor and materials), construction time, standard specifications, and analysis for the exterior wall insulation strategy.},
doi = {10.2172/1127282},
url = {https://www.osti.gov/biblio/1127282},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Sat Mar 01 00:00:00 EST 2014},
month = {Sat Mar 01 00:00:00 EST 2014}
}