BASC Search | Building America Solution Center

Install all layers of the drainage plane to overlap, not underlap, to direct bulk water down and out of the wall.

Publication Date

Thu, 11/01/2007 - 12:00

Measure Guideline: Deep Energy Enclosure Retrofit (DEER) for Zero Energy House (ZERH) Flat Roofs

Author(s)

Loomis Honorata,

Pettit Betsy

Organization(s)

Building Science Corporation,

BSC

Publication Date

May, 2015

This Measure Guideline provides design and construction information for a deep energy enclosure retrofit solution of a flat roof assembly.

Rigid foam insulating sheathing installed over an existing garage ceiling with retrofits to air seal exterior wall before adding exterior wall insulating sheathing

Publication Date

Mon, 07/01/2013 - 12:00

Unvented roof assembly at eave retrofitted with rigid foam, spray foam, and a fully adhered membrane seal at the top of wall-to-roof transition

Publication Date

Mon, 07/01/2013 - 12:00

Application of Spray Foam Insulation Under Plywood and Oriented Strand Board Roof Sheathing, BA-1312

Author(s)

Grin Aaron,

Smegal Jonathan,

Lstiburek Joseph W

Organization(s)

Building Science Corporation,

BSC

Publication Date

September, 2013

Report covering moisture and leakage issues associated with spray foam insulation application to the underside of roof sheathing.

Water Management of Non-Insulating and Insulating Sheathings - Final Report

Author(s)

Lstiburek Joseph W,

Smegal Jonathan

Organization(s)

Building Science Corporation,

BSC

Publication Date

April, 2012

Report summarizing current research, summarizes issues that have been experienced with current best practices, and recommends ways in which the best practices can be improved for water managing sheathings.

Lower wall insulation installation

Publication Date

Mon, 09/01/2014 - 12:00

Upper wall insulation installation

Publication Date

Mon, 09/01/2014 - 12:00

Taped vertical joint of lower wall insulation

Publication Date

Mon, 09/01/2014 - 12:00

Sloped roof with cavity spray foam insulation, strapping, and gypsum board thermal barrier

Publication Date

Fri, 05/01/2015 - 12:00

Install minimum 6" wide self-adhered butyl Z-flashing

Publication Date

Mon, 09/01/2014 - 12:00

Upper wall insulation installation with butyl z-flashing

Publication Date

Mon, 09/01/2014 - 12:00

Water management detail for a solar panel rack mounting block installed in rigid foam that was installed over an existing roof

Publication Date

Fri, 05/01/2015 - 12:00

Flat roof with cavity spray foam plus loose-fill insulation and gypsum board thermal barrier.

Publication Date

Fri, 05/01/2015 - 12:00

Tape the joint between the top insulation sheet and the Z-flashing with 2" wide tape to improve air tightness

Publication Date

Mon, 09/01/2014 - 12:00

Clean taping areas and install 3" tape on vertical joint of upper insulation overlapping the horizontal joint

Publication Date

Mon, 09/01/2014 - 12:00

Sloped roof with cavity spray foam insulation sprayed on underside of roof deck and covered with sprayed-on thermal or ignition barrier coating.

Publication Date

Fri, 05/01/2015 - 12:00

Tape horizontal joint with minimum 3" wide tape placing tape offset high on the joint, adhearing to the upper sheet without wrinkles

Publication Date

Mon, 09/01/2014 - 12:00

Terminate 4" tape with 2" wide tape placing tape offset high on the joint, 2/3 of the tape should be adhered to the sheet of insulation

Publication Date

Mon, 09/01/2014 - 12:00

Below Deck Spray Foam Insulation for Existing Roofs

Guide describing how to add spray foam insulation to the underside of the existing roof deck as part of the conversion of a vented attic to an unvented, insulated attic.

Roof/Attic to Exterior Wall Air Control Upgrade

Guide outlining how to retrofit an exterior wall and/or attic to provide continuous air sealing.

Rigid Foam Insulation for Existing Exterior Walls

Guide describing how to apply an air control layer directly over existing wall sheathing and cover with two layers of insulating sheathing held in place by vertical furring strips.