Window Sash Retrofit Description Guide describing how to modify an existing window sash for high-efficient windows.
Windows and Doors are Fully Flashed Description Guide describing how to install flashings to help direct water down and out of windows and doors openings in exterior walls.
Windows Have Impact-Rated Glass, Fire-Resistant Glass, or Protective Coverings Description Guide describing how to strengthen or protect windows against wind and wind-borne debris during high-wind events including hurricanes and tornados.
Winter Weather Overview Guide Description Information guide providing an overview of winter weather issues for home owners and building science solutions for home builders.
Wiring Conduit for Solar PV Systems Description This guide describes the need for installing a wiring conduit for future solar photovoltaic installations.