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NAVY - UFGS-07 27 36

SPRAY FOAM AIR BARRIERS

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Organization: NAVY
Publication Date: 1 May 2017
Status: active
Page Count: 29
scope:

NOTE: This guide specification covers the requirements for open cell and closed cell sprayed polyurethane foam (SPF) materials used in wall, ceiling, and roof assemblies. The spray foam barrier may serve one or more of the following functions: 1) as a thermal barrier, 2) a vapor barrier, and 3) as the primary component of the air barrier. The designer must determine whether a vapor permeable or a vapor retarding system is appropriate for the project.

If a vapor permeable barrier is required, do not use a closed cell SPF system. While open cell can be vapor permeable, it is not appropriate for use in humid site locations or building environments. Open cell SPF is only appropriate for use in arid climates, in well vented assemblies, where vapor permeability is permissible. Open cell SPF is cost effecive and less toxic then closed cell SPF but has very limited appropriate use; specify accordingly.

Compatibility with other materials and components are critical to the success of the air barrier. Coordinate with other building enclosure components (such as wall assemblies, doors, windows) to ensure a complete barrier system that adheres to performance, requirements, primarily air leakage. Coordinate with materials that will penetrate the barrier such as flashing, embed items, and ties for brick veneer.

Use this section in conjunction with Section 07 27 10.00 10 BUILDING AIR BARRIER SYSTEM and Section 07 05 23 PRESSURE TESTING AN AIR BARRIER SYSTEM FOR AIR TIGHTNESS and coordinate requirements across these sections. Also coordinate this section with materials that will penetrate this barrier such as flashing, embed items, and ties for brick veneer.

This guide specification is intended for both new construction and renovation, repair, and retrofit of existing buildings. Performance requirements for products herein must contribute to the sustainable goals of the project, including but not limited to Energy Policy Act of 2005 (EPACT 2005), Energy Independence and Security Act of 2007 (EISA 2007), Executive Order (EO) 13423, Executive Order (EO) 13514, UFC 1-200-02 High Performance and Sustainable Building Requirements, UFGS Section 01 33 29 SUSTAINABILITY REPORTING, and other energy and water conservation requirements applicable to the project.

Specify SPF where the type of construction favors its economical use and where application would be less difficult than other air/vapor/thermal barrier applications. Due to the toxic and flammable nature of this product, specify it when the benefits of SPF surpass the benefits of other barrier systems. Coordinate encapsulation of the SFP application as required for the project and in accordance with architectural details. Review OSHA Safety and Health Regulations Related to SPF Applications and specify accordingly. This document can be found at: https://www.osha.gov/dte/grant_materials/fy10/sh-21003-10/manual.pdf Do not use Section 07 11 13, BITUMINOUS DAMPPROOFING in conjunction with this section.

Document History

UFGS-07 27 36
May 1, 2017
SPRAY FOAM AIR BARRIERS
NOTE: This guide specification covers the requirements for open cell and closed cell sprayed polyurethane foam (SPF) materials used in wall, ceiling, and roof assemblies. The spray foam barrier may...
May 1, 2017
SPRAY FOAM AIR BARRIERS
NOTE: This guide specification covers the requirements for open cell and closed cell sprayed polyurethane foam (SPF) materials used in wall, ceiling, and roof assemblies. The spray foam barrier may...

References

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