BASC Search | Building America Solution Center

Windows and Doors are Fully Flashed

Guide describing how to install flashings to help direct water down and out of windows and doors openings in exterior walls.

Wrong – There is no flashing installed at the top of the window

Publication Date

Tue, 02/01/2011 - 12:00

Window and door openings fully flashed

Publication Date

Tue, 02/01/2011 - 12:00

Formable pan flashing and back dam for window

Publication Date

Fri, 05/01/2009 - 12:00

Wrong – There is no flashing installed along the sides of the window

Publication Date

Tue, 02/01/2011 - 12:00

Before installing the windows, the window rough openings are sealed with a liquid-applied flashing that provides a seamless moisture and air barrier to protect the wall from water intrusion.

Publication Date

Sun, 01/01/2017 - 12:00

Pumpkin Ridge Passive House Video #15: Window Install Prep & Air Sealing

Publication Date

February, 2013

Video describing how to prep and air seal the wall cavity for window installation.

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

Wrong - Stucco has rotted and cracked above a window because of water damage due to lack of proper flashing and drainage.

Publication Date

Tue, 11/12/2019 - 12:00

Right – There is flashing installed along the top of the window and the water-resistant barrier is layered over to create a complete drainage system

Publication Date

Tue, 02/01/2011 - 12:00

Right - Seams in coated sheathing and joints around window are properly sealed and flashed with tape and all nail holes are covered with paint-on sealant.

Publication Date

Sun, 08/15/2021 - 12:00

A piece of siding is used as sill extension and to provide slope in the opening for the window, which is deeper because exterior rigid foam has been added

Publication Date

Mon, 02/20/2017 - 12:00

Standard Practice for the Installation of Mounting Flange Windows into Walls Utilizing Foam Plastic Insulating Sheathing (FPIS) with a Separate Water-Resistive Barrier (WRB), FMA/AAMA/WDMA 500-16

Author(s)

Fenestration Manufacturers Association,

American Architectural Manufacturers Association,

Window & Door Manufacturers Association

Organization(s)

FMA,

AAMA,

WDMA

Publication Date

April, 2016

Guide describing the installation of windows in walls that have foam plastic insulating; guide provides several methods for attaching, supporting, and flashing windows in walls with rigid foam sheathing. (Note: The link only goes to the table of contents for the guide, the full guide can be...

Right - Tape flashing keeps moisture out around and below the window; extra tape reinforces the corners to prevent tearing of the house wrap and to keep water out of this critical juncture.

Publication Date

Fri, 12/31/2021 - 12:00

Right - Brick veneer is installed with a 1-inch air space behind the brick, metal flashing and weep holes above and below the windows and at the base of the wall to direct out water that gets behind the brick.

Publication Date

Wed, 12/01/2004 - 12:00

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.

Certified Insulated Siding: Quality, Comfort and Energy Performance

Author(s)

Dobson,

Brignati

Organization(s)

Vinyl Siding Institute,

Newport Ventures

This presentation will help you define insulated siding, understand R-value testing of insulated siding, describe proper installation of insulated siding, comply with energy codes and understand building energy performance program and software recognition.

Proper shingling of drainage plane materials

Publication Date

Thu, 11/01/2007 - 12:00

Right – Side flashing extends over the pan flashing

Publication Date

Tue, 02/01/2011 - 12:00

Retrofit Improvements: Flash and Seal Roof Penetrations

Author(s)

Home Innovation Research Labs

Organization(s)

HIRL

Publication Date

June, 2020

Fact sheet describing flashing of roof penetrations to make a home more resistant to high winds, hurricanes, and rainwater intrusion.

Wrong – The corners are not properly flashed, leaving a vulnerable area in the drainage system

Publication Date

Tue, 02/01/2011 - 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

Taped Insulating Sheathing Drainage Planes

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

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.

New Whole-House Solutions Case Study: New Traditions Homes, Landover Commons, Vancouver, WA

Author(s)

Pacific Northwest National Laboratory

Organization(s)

PNNL

Publication Date

April, 2012

Case study describing energy efficient new home construction that also incorporated moisture management techniques for durability in the damp Northwest climate.

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 at Bottom of Exterior Walls

Guide describing how to apply flashing to the bottom of exterior walls to create a continuous drainage plane.