Guide
Description
Guide describing causes of condensation in attics and roof assemblies during cold weather and ways to reduce this condensation.
Video
Description
Video showing the requirements for attic vents in homes to comply with IBHS FORTIFIED Home requirements.
Reference
Description
Building science report describing issues with vented attics in hot-humid climates and how sealed attic construction may be a solution.
Information Guide
Description
Information guide providing links to guides describing specific ways to air-seal, insulate, and ventilate attics and roofs to minimize heat gain in new and existing homes.
Guide
Description
Guide describing how to apply spray foam insulation to the floor of the attic in existing homes.
Video
Description
Video describing techniques to prevent attic plumbing vents from freezing during Alaskan winters.
Guide
Description
Guide describing how to air-seal and insulate a ceiling where the insulation is installed on top of the ceiling (on the attic floor) in a vented attic.
Information Guide
Description
Information guide describing things to consider in the attic, ceiling, or roof before attempting retrofits of items including HVAC, wiring, or structural systems.
Guide
Description
Guide describing a method for insulating an unvented attic by spraying foam insulation along the underside of the roof deck.
Reference
Description
Journal article reporting on field experience of unvented cathedralized (UC) attics in several environments in the United States.
Reference
Description
Report covering the selection of roof vents for rainwater resistance.
Guide
Description
Guide describing how to air-seal attic access panels, doors, and stairs to provide a continuous air barrier at the ceiling.
Guide
Description
Guide describing how to insulate and air-seal dropped ceilings and soffits to prevent air leakage.
Reference
Description
Article describing methods for venting a vented attic and a roof assembly over an unvented attic.
Video
Description
Video presentation describing proper attic venting design for energy efficiency and weather resistance.
Guide
Description
Guide describing the installation of roof vents that are resistant to damage from high winds and entry of wind-borne rain, wildfire embers, or pests.