Library

Searchable database of over 3,000 roofing products that have undergone solar reflectance and thermal emittance testing.

Fact sheet describing conditions for wildfire, how a home catches fire, how to create a survivable space, the ideal fire resistant home.

Webpage explaining how to mitigate heat loss through roofs for ice dam prevention.

A report presenting alternative approaches for reducing the costs of roof-mounted, grid-connected photovoltaic (PV) systems.

An EPA guide describing the causes and impacts of summertime urban heat islands, promoting strategies for lowering temperatures in U.S. communities.

Article describing moisture and ice dam issues in attics and how to air seal the attic floor.

Webpage from FEMA describing how to properly reconstruct masonry fireplace chimneys damages by earthquakes.

Paper covering a parametric study of foundation heat exchanger-based ground source heat pump systems for several house configurations in a range of European locations, with an emphasis on determining feasible combinations.

Report providing architects, designers, and homeowners with information to make house plans useful for constructing a more wind resilient structure.

Report summarizing the results of laboratory testing of 20 advanced power strip products.

Fact sheet describing how to install bracing to retrofit roof dormers for increased wind resistance.

Factsheet providing homeowners with an overview of approaches for flashing and sealing roof penetrations to help discussion with a roofing contractor.

Fact sheet describing flashing of roof penetrations to make a home more resistant to high winds, hurricanes, and rainwater intrusion.

Report about a tool developed to enable users to compare a typical 1970s ranch home against an IECC 2009 code-compliant home of the same configuration and against the 70s base case plus retrofits.

Report covering non-combustible continuous exterior insulation and non-combustible roof venting.

Fact sheet describing proper roof sheathing installation and illustrating fastening methods that will enhance the durability of a building in high-wind areas; also published in FEMA P-499 “Home Builder’s Guide to Coastal Construction: Technical Fact Sheet Series.”

Fact sheet describing recommended practices for the use of roofing underlayment as an enhanced secondary water barrier in coastal environments and optional installation methods; also published in FEMA P-499 “Home Builder’s Guide to Coastal Construction: Technical Fact Sheet Series.”

Q&A article discussing how to address moisture issues in an attic in a wet and humid coastal climate.

Fact sheet describing the importance of proper roof and deck flashing, and typical and enhanced flashing techniques for coastal homes; also published in FEMA P-499 “Home Builder’s Guide to Coastal Construction: Technical Fact Sheet Series.”

Research report detailing Florida Solar Energy Center (FSEC) partnership with Manatee County Habitat for Humanity to design a compact, Zero Energy Ready Home in Florida, tackling challenges like equipment sizing and indoor air quality, offering insights for projects surpassing building code...

Webpage discussing the characteristics of sunlight and how cool roofs work to reduce solar heat gain.

Report summarizing commissioning, short-term testing, and analysis that occurred before, during, and just after the actual retrofit of the Bay Ridge project.

Manual that identifies certain leakage limits for ducts and outlines procedures for testing ducts for conformity with air leakage limits that are set forth in a designer’s project specification.

Fact sheet describing building envelope performance measures applicable to residential and small commercial construction.

Report informing building stakeholders about the risks a snow event poses to their buildings, preventative measures to take before the snow season, and actions that should be taken before, during, and after a snow event.

Webpage providing information about design snow loads and a free interactive ground snow load mapping tool for the contiguous United States, as well as snow load calculation methods.

Specifications to assist builders in designing and constructing homes equipped with a set of features that make the installation of solar energy systems after the completion of the home’s construction easier and less expensive.

Research study presenting a unique opportunity to both identify and evaluate deep retrofit measures that are practical and potentially cost effective for the retrofit market, as well as review the cost effectiveness of the Passive House design approach for achieving energy savings in deep retrofits.

Spreadsheet tool that computes solar reflectance index (SRI) and roof surface temperature based on solar reflectance and thermal emittance using ASTM standard E 1980.

Standard describing methods for testing the airtightness of buildings and HVAC equipment.

Test method designed to calculate an assigned air permeance of flexible sheet or rigid panel-type materials at a reference air pressure differential of 75 Pa which was published in the year 2021 and is available for preview and purchase at the reference link.

Test method providing a rapid means of determining the steady-state thermal transmission properties of thermal insulations and other materials with a high level of accuracy when the apparatus has been calibrated appropriately. This version of the standard was published in the year 2021 and is...

ASTM standard test method for surface burning response of different building materials which was published in the year 2022 and is available for preview and purchase at the reference link.

ASTM standard test method for testing the surface burning response of different building materials which was published in the year 2023 and is available for preview and purchase at the reference link.

Standard that describes the principles for the design of a hot box apparatus and the minimum requirements for the determination of steady state thermal performance of building assemblies when exposed to controlled laboratory conditions. The current version of the standard was published in 2019, and...

Test method designed to obtain reliable values for the WVTR of plastic film and sheeting which was published in the year 2020 and is available for preview and purchase at the reference link.

Article describing ways to protect roofs from water infiltration by using self-adhering underlayment in vulnerable locations such as roof valleys, eave edges (to help deal with ice dams), rake edges, roofs to vertical walls (such as dormers), sidewall protection, the bottom of dormer valleys, and...

Report intending to provide useful information as the DOE/BA develops and implements comprehensive communications and outreach strategies for demonstration homes.

Report evaluating a test home built in Atlanta, GA in the mixed-humid climate zone. The report outlines the features of the house, discusses the implementation of the energy efficient design, and presents the results of short-term characterization testing.

Document about NREL's repository of residential building characteristics and historical energy use data, used to improve accuracy of residential energy analysis tools.

Fact sheet describing water management in a residential building.

Report using data from various sources to characterize the impact on human health and property damage from indoor environmental quality and other hazards.

FSEC certification and testing page for solar systems.

Fact sheet describing the test procedure for wind and wind driven rain resistance of discontinuous roofing systems.

Manuals describing design, materials, and installation techniques applicable to almost all types of roof systems; four-volume set includes Metal Panel and SPF Roof Systems, Membrane Roof Systems, Architectural Metal Flashing and Condensation and Air Leakage Control, and Steep-Slope Roof Systems.

Report proposing a procedure for estimating the whole opaque wall R-value (whole-wall R-value), independent of system type and construction materials.

Article from Purdue University on the potential for white paint technology to lower air conditioning usage requirements.

Factsheet providing design guidance for engineers describing how to characterize snow drifts on roofs in three dimensions rather than two, as anticipated in the 2022 edition of the standards, ASCE 7 - Minimum Design Loads and Associated Criteria for Buildings and Other Structures.

Fact sheet outlining best design and construction practices for tile roofing in high wind areas; also published in FEMA P-499 “Home Builder’s Guide to Coastal Construction: Technical Fact Sheet Series.”

Report presenting information that aids qualified architects and engineers in the identification of the best available refuge areas in existing buildings for sheltering in place during a tornado.