Reference
Description
Report focusing on the performance and durability of unvented-cathedralized attics in hot-humid climates with both tile and asphalt shingle roofing.
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.
Guide
Description
Guide describing how to insulate and air-seal attic knee walls and floor joist cavities under knee walls.
Guide
Description
Guide providing guidance on insulating attic eaves in new and existing single-family homes and multifamily buildings.
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.
Guide
Description
Guide describing how to insulate a vented attic in an existing home using blown insulation added to the attic floor.
Reference
Description
FEMA report describing findings from an investigation of Hurricane Ike in Texas and Louisiana and residential construction recommendations based on those findings.
Guide
Description
Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.
Reference
Description
Research study describing field testing performed in 32 two-story Florida homes to characterize wind washing failures of the house air and thermal boundary.
Guide
Description
Guide describing how to insulate and air-seal dropped ceilings and soffits to prevent air leakage.
Guide
Description
Guide describing how to apply spray foam insulation to the floor of the attic in existing homes.
Reference
Description
Conference paper making the case that moving ducts to conditioned space saves energy, is practical for production builders (when accompanied by careful pre-planning), and creates significant andmarketable energy savings for homebuyers.
Case Study
Description
Case study describing new home construction in the marine climate that achieved 50% savings over the 2004 IECC.
Guide
Description
Guide describing application of a radiant barrier layer in the attic to block radiant heat transfer between hot surfaces and heat-absorbing surfaces.
Guide
Description
Guide describing options for insulating and air sealing at either the attic floor or along the roof line in new homes.
Information Guide
Description
Information guide showing a table adapted from Table R402.1.1 in the 2009 and 2012 IECC and Table R402.1.2 in the 2015 and 2018 IECC (Table N1102.1 in 2009 IRC, Table 1102.1.1 in 2012 IRC, and Table N1102.1.2 in 2015 and 2018 IRC).
Guide
Description
Guide describing ways to seal drywall to the top plate of an exterior wall to air-seal the wall cavity.
Guide
Description
Guide describing how to air-seal bathroom and kitchen exhaust fans.