Library

2018 edition of code establishing a baseline for existing building retrofits to reach appropriate safety levels under new construction requirements covered in other ICC codes.

Guide for homeowners describing how to find and seal basement and attic air leaks, determine if attic insulation is adequate, make improvements safely, and reduce energy bills.

Report describing testing and analysis on deep energy retrofits of existing single-family homes in the U.S.

Report describing how changing the air exchange rate of a home (the sum of the infiltration and mechanical ventilation airflow rates) affects the annual thermal conditioning energy.

Standard providing information about self-adhered sheet air barriers located in the non-accessible part of the wall and materials to bridge and seal air leakage pathways and gaps.

Vinyl siding estimating and installation guide for vinyl siding products.

Report examining the structural properties and applications of an innovative studless building system, detailing its testing regime and providing an engineering guide for architects and engineers.

A website explaining the process of sealing a home with Aeroseal & how the technology is used to seal holes in the air ducts and vents of the home.

Report examining the effectiveness of an aerosolized acrylic technique for air sealing existing homes to reduce air leakage and improve energy efficiency.

Technical report describing the research behind a new aerosol-based sealing method, utilizing pressurization and a dispersed sealant fog, facilitated by a standard blower door, to automatically measure, locate, and seal air leaks in new homes in the United States, providing an efficient solution to...

Fact sheet describing an innovative aerosol-based sealing technique for tightening building envelopes in new homes, involving pressurizing the structure and dispersing an aerosol sealant "fog" to autonomously identify and seal leaks, with real-time feedback through a standard blower door and laptop...

Brochure about creating an air barrier by sealing drywall assemblies.

Brochure about creating an air barrier at tub, shower and fireplace walls.

Report describing two retrofit duct sealing techniques - manually-applied sealants and injecting a spray sealant, that were implemented in several low-rise multi-unit buildings in North Carolina.

This report describes research conducted to evaluate air transfer between the garage and living space in a single-family detached home constructed to the 2009 IECC by a production home builder in Maryland.

Article describing recessed lighting, which if installed incorrectly may contribute to air leakage and compromise building envelope efficiency.

Report identifying common air leakage pathways typically found in two-story townhouse developments, including recommendations for cost effectively identifying and correcting air leakage in these multifamily buildings.

Study identifying common air leakage pathways in one type of low-rise multifamily building common in mixed-humid climates.

Brochure describing the benefits of air-sealing for homeowners.

Fact sheet describing air-sealing concerns and remedies, including HRV/ERV installation, caulking, spray foam, and weatherstrip installation.

Article describing how an airtight home shell helps achieve a tight envelope that is energy efficient and cost effective.

Article describing how to stop air leaks around the windows and doors of a home.

Website article interviewing the inventor of the Larsen truss, a history of its use, and a discussion of its advantages and disadvantages.

Report that collected field data from a whole-home program in Illinois are utilized to compare marketplace-installed measures to the energy saving optimal packages previously developed for 15 housing types.

This ANSI/RESNET/ICC standard provides a consistent, uniform methodology for evaluating the airtightness of building, dwelling unit, and sleeping unit enclosures and heating and cooling air distribution systems, and the air flows of mechanical ventilation systems.

Article describing air sealing and air barriers in buildings.

Technical report describing the thermal performance of 40 common building envelope details for mid- and high-rise buildings, including analyses to optimize energy efficiency and reduce thermal bridging.

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.

Report about a project that examines implementation of advanced retrofit measures in the context of a large-scale weatherization program and the archetypal Chicago, Illinois, brick bungalow.

NREL webpage of standard work specification of exterior and interior, attic floors, attic knee walls, and unique installations.

Brochure about air sealing windows.

Fact sheet describing air-sealing at rim joists.

Brochure with details on HVAC duct air sealing.

Document providing a resource to help builders large and small build high-quality, energy-efficient homes that achieve 30% energy savings in space conditioning and water heating in the hot and humid climate.

Document providing a resource to help builders large and small build high-quality, energy-efficient homes that achieve 30% energy savings in space conditioning and water heating in the hot-dry and mixed-dry climates.

A book about structurally insulated panels.

Case study about Artistic Homes of Albuquerque, New Mexico, the first home builder in the United States to offer true net zero energy construction to the average home buyer on every home it builds.

This report will review, and summarize the current state of understanding and research into enclosures with higher thermal resistance, so-called “High-R Enclosures.” Recommendations are provided for further research.

Report comparing a variety of roof insulating strategies to present their advantages and disadvantages according to several comparison criteria.

Report considers a number of promising wall systems that can meet the requirement for better thermal control.

Fact sheet describing research sponsored by DOE's Building America program to research the importance of attic air-sealing and best practice attic air-sealing techniques for new and existing homes.

Guide describing methodologies for assessing and mitigating thermal bridging in building envelopes, featuring detailed performance data, interface solutions, and assembly-specific strategies for energy-efficient construction.

Website providing CAD files and drawings of advanced framing details.

Document outlining building science principles about air flow, heat flow and moisture flow in homes.

Report describing findings from a multifamily test home focusing on the combination of energy measures that are feasible, affordable and suitable for multifamily construction in cold climates.

Webpage describing how caulking is used, how to select the appropriate caulking, and how to apply caulking.

Factsheet describing how caulking is used, how to select the appropriate caulking, and how to apply caulking.

Report about City of Meriden Housing Authority's (MHA) collaboration with Jonathon Rose Companies to complete a gut renovation of 126 residential units in the Chamberlain Heights retrofit project.

Report recording the results of a field study conducted in a single historic home in Seattle, Washington, to document the performance of Indow Windows' interior storm window inserts.

Report identifying housing characteristics and energy use for fifteen single-family housing types and specifies measure packages that provide an optimum level of energy savings based on a BEopt analysis.