BASC Search | Building America Solution Center

Taped Insulating Sheathing Drainage Planes

Guide describing techniques for installing insulating sheathing as a continuous drainage plane on walls.

Upper wall insulation installation with butyl z-flashing

Publication Date

Mon, 09/01/2014 - 12:00

Measure Guideline: Guidance on Taped Insulating Sheathing Drainage Planes

Author(s)

Grin Aaron,

Lstiburek Joseph W

Organization(s)

Building Science Corporation,

BSC

Publication Date

September, 2014

Measure Guideline research report providing simple, long term, and durable solutions when using tapes and flashing membranes in conjunction with the exterior face of rigid polymeric foam sheathing to create the drainage plane of a wall system.

Water Managed Roof – Re-roofing and Adding Insulation Over a Sloped Roof

Guide describing how to re-roof an existing home with a sloped and add insulation above the roof deck.

Water Managed Roof – Re-roofing and Adding Insulation over a Flat Roof

Guide describing an approach to re-roofing an existing flat roof to improve thermal, water, and air control performance.

Trade-Friendly Retrofit Insulated Panels for Existing Buildings, Albany New York

Author(s)

Home Innovation Research Labs,

U.S. Department of Energy

Organization(s)

HIRL,

DOE

Publication Date

March, 2016

Case study about a structural sheathing product composed of enhanced EPS rigid foam with OSB adhered on one side.

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

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

Right – The flashing is properly installed to create a complete drainage system with continuous rigid insulation sheathing/siding

Publication Date

Tue, 02/01/2011 - 12:00

This farmhouse was retrofit by removing the existing siding and adding taped insulated sheathing and battens before installing new siding

Windows are installed as “outies” in this wall assembly using a self-adhered membrane water and air control layer with continuous exterior insulation

Publication Date

Mon, 07/15/2024 - 12:00

Step 1. Apply roof underlayment over roof deck and up the sidewall over the rigid foam insulation

Reference

40% Whole-House Energy Savings in the Marine Climate, Volume 11

Author(s)

Baechler Michael C,

Gilbride Theresa L,

Hefty Marye G,

Cole Pam C,

Williamson Jennifer,

Love Pat M

Organization(s)

Pacific Northwest National Laboratory,

PNNL,

Oak Ridge National Laboratory,

ORNL,

U.S. Department of Energy,

DOE

Report providing builders in marine climates with guidance for building homes that have whole-house energy savings of 40% over the Building America benchmark with no added overall costs for consumers.

Publication Date

Wed, 09/01/2010 - 12:00

Step 5. Apply self-adhesive flashing over top edge of the wall flashing, diverter, and rigid foam insulation

Reference

40% Whole-House Energy Savings in the Marine Climate, Volume 11

Author(s)

Baechler Michael C,

Gilbride Theresa L,

Hefty Marye G,

Cole Pam C,

Williamson Jennifer,

Love Pat M

Organization(s)

Pacific Northwest National Laboratory,

PNNL,

Oak Ridge National Laboratory,

ORNL,

U.S. Department of Energy,

DOE

Report providing builders in marine climates with guidance for building homes that have whole-house energy savings of 40% over the Building America benchmark with no added overall costs for consumers.

Publication Date

Wed, 09/01/2010 - 12:00

This house design in the Hot-Humid climate uses a slab foundation, masonry walls, and an Exterior Insulation Finish System (EIFS) cladding.

Publication Date

Thu, 09/01/2011 - 12:00

Rigid foam insulation can serve as the drainage plane when all seams are taped. Furring strips provide an air gap behind the cladding.

Publication Date

Sun, 04/01/2012 - 12:00

This drawing shows key head details for a window installation using a fluid-applied flashing on a wall with a mechanically attached water and air control layer and continuous insulation

Publication Date

Mon, 07/15/2024 - 12:00

This drawing shows key jamb details for a window installation using a fluid-applied flashing on a wall with a mechanically attached water and air control layer and continuous insulation

Publication Date

Mon, 07/15/2024 - 12:00

This drawing shows key sill details for a window installation using a fluid-applied flashing on a wall with a mechanically attached water and air control layer and continuous insulation

Publication Date

Mon, 07/15/2024 - 12:00

This drawing shows key head details for an “outie” window installation using a fluid-applied flashing on a wall with a fluid-applied water and air control layer and continuous insulation

Publication Date

Mon, 07/15/2024 - 12:00

This drawing shows key sill details for an “outie” window installation using a fluid-applied flashing on a wall with a fluid-applied water and air control layer and continuous insulation

Publication Date

Mon, 07/15/2024 - 12:00

This drawing shows key jamb details for an “outie” window installation using a fluid-applied flashing on a wall with a fluid-applied water and air control layer and continuous insulation

Publication Date

Mon, 07/15/2024 - 12:00

Right - Permeable rigid mineral wool insulation and appropriate water-management flashing details are integrated with new rigid foam siding to keep water away from the sill beam above the foundation wall

Vinyl Siding with Integrated Rigid Foam for Existing Walls

Guide describing the design and installation considerations for recladding of above grade walls using insulated vinyl siding.

Proper flashing around windows is especially important when the rigid foam serves as the drainage plane in the wall

Publication Date

Mon, 10/01/2007 - 12:00

Water Managed Existing Sill Beams and Sill Plates

Guide describing how to insulate the sill beam or sill plate on the exterior side in a way that allows drying to the exterior, as part of an exterior wall upgrade.

Mastic Home Exteriors Installation Guide

Author(s)

Ply Gem Siding Group

Organization(s)

Ply Gem Siding Group

Publication Date

April, 2015

Siding installation guide for Ply Gem Siding Group products.

The retrofitted flat roof has PV panels and walking mats installed over the roofing membrane

Concrete Slab over Polyethylene

Publication Date

July, 2015

Video describing concrete slab over polyethylene barrier.

Flashing of Wall Penetrations in Existing Homes

Guide describing how to install flashing that is integrated with air and water control layers around piping, vents, and other wall penetrations as part of an exterior wall retrofit.

Flashing of Penetrations in Existing Roofs

Guide describing how to provide a continuous water control layer across the roof assembly by sealing all penetrations for pipes, vents, etc. in existing roofs.

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

Publication Date

Mon, 09/01/2014 - 12:00

Right – Two-thirds of acrylic tape is offset above the joint and over and above the fasteners

Publication Date

Mon, 09/01/2014 - 12:00

This exterior wall retrofit permits drying to the exterior of a sill plate installed on an untreated flat foundation wall

Publication Date

Mon, 07/01/2013 - 12:00

Right – two-thirds of the blue butyl flashing tape is above the sheathing seam; the top edge of the butyl flashing tape is covered with clear sheathing tape that is also offset so two-thirds is above the top edge of the butyl flashing.

Publication Date

Mon, 09/01/2014 - 12:00

Moisture Control for Residential Buildings

Author(s)

Lstiburek Joseph W

Organization(s)

Building Science Corporation,

BSC,

U.S. Department of Energy,

DOE

Publication Date

September, 2020

Report providing extensive guidance on controlling moisture in building envelopes through proper selection and installation on air, water, thermal, and vapor barriers.