BASC Search | Building America Solution Center

Wrong - This batt insulation is not aligned with the subfloor and joists.

Rigid Foam Board Insulation for Existing Band Joists

Guide describing principles of insulating and air sealing band joists as a stand alone energy upgrade, or as part of creating a closed crawlspace.

Rigid Foam Insulation Installed over Existing Foundation Slabs

Guide describing how to insulate an existing slab floor by adding rigid foam insulation over the slab then installing a floating subfloor.

Wrong - Sub-floor insulation is not properly installed or supported.

Publication Date

Fri, 10/28/2011 - 12:00

Right - Sub-floor insulation is properly installed and supported.

Publication Date

Fri, 10/28/2011 - 12:00

Wrong - Sub-floor insulation has gaps, compression, and misalignment.

Publication Date

Fri, 10/28/2011 - 12:00

Rigid foam insulation and a thin slab were installed over the dirt and gravel of this sealed crawlspace

The existing slab is retrofitted with epoxy paint, rigid foam insulation, sleepers (furring strips), and subfloor.

Publication Date

Sun, 06/01/2008 - 12:00

The existing slab is retrofitted by coating with epoxy paint, then installing rigid foam insulation and a floating subfloor.

Publication Date

Mon, 07/01/2013 - 12:00

Right - Retrofit of an existing basement slab by adding dimple plastic mat, rigid foam insulation, and a floating subfloor.

Right - The existing basement slab is retrofitted by installing a dimple plastic drainage mat, rigid foam insulation, and a floating subfloor.

Publication Date

Mon, 07/01/2013 - 12:00

Air seal the floor above an unconditioned basement or crawlspace and make sure floor insulation is in full contact with the underside of the subfloor.

Publication Date

Fri, 10/28/2011 - 12:00

Floor Above Unconditioned Basement or Vented Crawlspace

Guide describing how to air-seal and insulate the floor above an unconditioned basement or crawl space.

Water Management of Existing Basement Floor

Guide describing how to retrofit an existing basement floor or slab to reduce moisture issues.

Water Management of Existing Crawlspace Floor

Guide providing information about treating bulk water drainage issues and moisture control measures in existing basements and crawl spaces.

Concrete Floor Problems, BSI-003

Author(s)

Lstiburek Joseph W

Organization(s)

Building Science Corporation,

BSC

Publication Date

June, 2008

Information guide describing issues with concrete floors, in multiple climate zones.

Cold Climate Building Techniques and Concepts: building a raised floor

Publication Date

April, 2014

Author(s)

Cold Climate Housing Research Center

Organization(s)

CCHRC

Video from Cold Climate Housing Research Center describing building a raised floor in cold climates for air-sealing and insulation purposes.

Design and Retrofit for Flood Protection

Information guide describing constructed flood protection measures to minimize damage and increase structural resilience during a flood.