Information Guide
Description
Information guide describing the use of attic ventilation fans to mechanically pull outside air through the attic in an attempt to cool the attic, control moisture, and prevent ice dams.
Reference
Description
BSD-102 report providing guidance about whether to construct a vented or unvented attic based on hygro-thermal zone.
Reference
Description
Powerpoint on attic ventilation developed as training material for the Weatherization Assistance Program.
Reference
Description
Article by the Canadian Government on attic ventilation and considerations for moisture and ice dams.
Reference
Description
Report discussing how to create livable space in the attic that meets IRC code requirements by either creating a ventilated roof assembly, or and unvented attic assembly.
Guide
Description
Guide describing how ice dams form and how roofs can be constructed to prevent them.
Guide
Description
Guide providing guidance on insulating attic eaves in new and existing single-family homes and multifamily buildings.
Reference
Description
Document providing background and approach for the prep work necessary prior to adding attic insulation - focusing on combustion safety, ventilation for indoor air quality, and attic ventilation for durability.
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.
Reference
Description
Report covering the selection of roof vents for rainwater resistance.
Guide
Description
Guide describing steps to take to minimize indoor humidity during cold winter weather.
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.
Video
Description
Video describing attic ventilation methods for wind and water-resistant roofs to comply with FLASH Strong Home guidelines and improve hurricane resitance.
Video
Description
Video describing roof and attic construction for cold climates, including cathedral roof design and insulation strategies, from Cold Climate Housing Research Center.
Guide
Description
Guide describing how to add spray foam insulation to the underside of the existing roof deck as part of the conversion of a vented attic to an unvented, insulated attic.
Video
Description
Video showing proper attic ventilation systems for hurricane-prone regions compliant with IBHS Fortified Home standards.
Reference
Description
Article describing the importance of air sealing, insulation, and roof ventilation in reducing the likelihood of ice dam formation on roofs in cold snowy climates.
Information Guide
Description
Information guide describing ways to design and build a home to be resistant to periods of extreme heat.
Case Study
Description
Case study describing the design and testing of 10 high-performance homes in Farmington, Connecticut.