Description
Guide describing options for designing and locating the thermal boundary at either the attic floor or along the roof line in new and existing homes.
Showing results 1 - 31 of 31
Description
Guide describing how to increase insulation in existing homes by installing batt insulation on the ceiling plane of a vented attic.
Overview
New language in the 2015 IECC allows different installation of insulation in floors over unconditioned spaces.
Description
Guide describing a method for insulating an unvented attic by spraying foam insulation along the underside of the roof deck.
Description
Guide describing how to insulate closed crawlspace walls and band joist areas with rigid foam board insulation.
Overview
The intent of this brief is to provide code-related information about gas-fired boilers to help ensure that the measure will be accepted as being in compliance with the code. Providing notes for code officials on how to plan reviews and conduct field inspections can help builders or remodelers...
Description
Guide describing how to re-roof an existing home with a sloped and add insulation above the roof deck.
Description
Guide describing methods for insulating an unvented attic along the roof line.
Description
Guide describing how to install flashing that is integrated with air and water control layers around piping, vents, and other wall penetrations as part of an exterior wall retrofit.
Description
Information guide describing proper attic air-sealing, insulation, and ventilation to combat ice dam formation on roofs in cold climate zones.
Description
Guide describing the types of whole-house fans, installation details to reduce energy loss, and how to operate them for comfort and energy savings based on climate zone.
Description
Guide describing an approach to re-roofing an existing flat roof to improve thermal, water, and air control performance.
Description
Guide describing buried ducts in loose-fill attic insulation, a method that can only be used in dry climates.
Description
Guide describing how to insulate the sill beam or sill plate on the exterior side in a way that allows drying to the exterior, as part of an exterior wall upgrade.
Description
Guide describing ways builders can block off entry points and otherwise make homes inhospitable to all manner of pests.
Publication Date
Overview
From a model code perspective, submittal of construction documentation, permitting, plan review, and field inspection may be required depending upon the specific details of renovating the floor above an unconditioned space (e.g., floor over a vented crawl space). Several different approaches can be taken to seal and insulate existing floors during a renovation project.
Description
Information guide describing how to apply a whole-house approach to home improvement with energy efficiency upgrades, improved indoor air quality, and increased comfort.
Description
Guide that illustrates how and when to encapsulate ductwork in unconditioned attics, increases the R-value of duct insulation, mitigating condensation issues and reducing air leakage.
Description
Guide describing how to air seal and insulate flex ducts.
Description
Guide describing how to air seal and insulate metal ducts.
Publication Date
Overview
The intent of this brief is to provide code-related information about sealing and insulating crawl space walls in existing residential buildings to help ensure that the measures will be accepted as being in compliance with the code. Providing the same information to all interested parties (e.g., code officials, builders, contractors, designers, etc.) is expected to result in increased compliance and fewer innovations being questioned at the time of plan review and/or field inspection.
Description
Guide describing how to install an exhaust fan in an attached garage to pull fumes out of the garage and to depressurize the garage with reference to the home.
Description
Guide describing how to insulate a basement to improve the overall thermal performance of the building and provide more dry, usable conditioned space for home occupants and HVAC equipment.
Description
Guide describing design and installation of compact duct systems for central heating and cooling systems.
Description
Guide describing air-sealing of the seams and holes in HVAC air handler and furnace cabinets.
Description
Guide describing how to thoroughly seal HVAC ducts to ensure air delivery without leakage, and to ensure economical and quiet performance of the HVAC system.
Description
Guide describing techniques and measures for increasing the termite resistance of a home's foundations.
Description
Guide describing how to air-seal doors that are next to unconditioned spaces.
Description
Guide describing ways to air-seal an attached garage in new and existing homes.