Batt Insulation for Existing Vented Attics Description Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.
Dropped Ceiling/Soffit Below Unconditioned Attic Description Guide describing how to insulate and air seal dropped ceilings and soffits to prevent air leakage.
Flashing of Roof-Wall Intersections in Existing Homes Description Guide describing how to install and properly integrate flashing at the intersection of the wall and roof on an existing home.
Rigid Foam Insulation Installed Between Existing House and Garage Walls Description Guide describing how to upgrade walls that separate the garage from the house by providing a continuous air control layer on the garage side of the wall and adding rigid foam insulation.
Roof/Attic to Exterior Wall Air Control Upgrade Description Guide outlining how to retrofit an exterior wall and/or attic to provide continuous air sealing.
Walls Adjoining Porch Roof Description This guide describes how to install a rigid air barrier to separate the porch attic from the conditioned space.