Library

Document describing the air leakage provisions of Appendix RA of the 2015 IECC (prepared for the State of Georgia to assist with compliance with their 2019 Energy Code).

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 master specifications for closed cell, medium density spray polyurethane foam air barriers located in the non-accessible part of the wall.

Standard outlining materials and installation methods by using commercial building wraps.

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.

Standard outlining materials and installation methods for a liquid-applied vapor permeable air barrier systems located in the non-accessible part of the wall.

Vinyl siding estimating and installation guide for vinyl siding products.

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...

Technical report describing the SPS (Structural Panel System), an innovative implementation of the "perfect wall" concept, situating environmental control layers on the exterior side of structural components for improved constructability, cost-effectiveness, and performance, validated through the...

Brochure about creating an air barrier by sealing drywall assemblies.

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

Information on the control of air flow across building enclosures to control moisture damage, reduce energy losses, and ensure occupant comfort and health. A continuous, strong, stiff, durable and air impermeable air barrier system is required between the exterior and conditioned space to control...

Document reporting results from a study done to evaluate effects of automotive emissions from attached garages on the indoor environment.

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.

Article about different types of weather resistant barrier.

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.

ASTM standard providing test methods for determining duct air leakage in low-rise residential and commercial buildings.

Article by the Canadian Government on attic ventilation and considerations for moisture and ice dams.

Report covering interior energy retrofits of masonry buildings.

Document focusing on the design and wall components that contribute to a pressure equalized rain screen wall, including the frequency of the weep holes and other brick masonry rain screen wall requirements.

Web based tool providing decision-making guidance for selecting wall assembly components.

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

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.

Article describing the principle of capillarity in construction materials.

Article describing how closed crawlspaces can do "double duty" by controlling moisture and providing energy savings.

Report outlining how conditioned crawlspaces perform better than vented crawlspaces in terms of safety, health, comfort, durability and energy consumption.

Guidance from Zero Energy Project on construction techniques for warmer climates, such as home orientation, and insulation requirements.

Article about how mortar droppings during the installation of a brick veneer can clog the weep holes in the wall assembly causing moisture damage. The article also illustrates products that can be installed in the ventilated cavity to mitigate this problem.

The Guide addresses walls constructed with 2x4 wood frame studs, wood structural panel (WSP) sheathing as wall bracing and added backing for foam sheathing, a layer of rigid foam sheathing insulation up to 1.5 in. thick over the WSP, and a cladding system installed over the foam sheathing in low...

Document presenting step-by-step process for installing rigid insulating sheathing over wood studs or house wrap.

Report exploring alternative methods to find long-term solutions to energy loss in 1 ½-story homes to save energy, improve comfort, prevent frost buildup on the underside of the roof deck, and reduce the risk of ice dam formation/reformation.

Report covering exterior energy retrofits of masonry buildings.

Article describing the difference between swales and hugels (berms used to create soil from woody debris).

Document providing descriptions of the many insulation options available to homeowners, along with guidance on where, when, and how to install insulation throughout your house.

Information sheet briefly summarizing double stud with spray foam wall construction including the advantages and disadvantages of this construction strategy.

Report that demonstrates the durability, constructability, and cost-effectiveness of the extended plate and beam (EP&B) wall system for new construction housing projects in compliance with the International Energy Conservation Code, addressing moisture risk management and high-performance envelope...

Report comparing a high-performance house with a code-built control home.

Report of a field evaluation of four novel roof designs to see how each design would reduce space-conditioned energy use so that the knowledge gained could be applied to the design of new manufactured homes.

Report presenting the results from several demonstrations of a new method for sealing building envelop air leaks.

Article describing five fundamental changes to building construction from the last 50 years and their modern construction consequences.

Research report assessing the moisture and cooling load impacts of airtightness and mechanical ventilation in homes in hot-humid climates.

Article discussing flow-through assemblies of walls.

Journal article describing lessons learned from updating a 16-year-old deep-energy retrofit.

Website providing resources for roofers to construct high-wind, hurricane, and hail-resistant roofs from IBHS Fortified program.