BASC Search

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

Report reviewing unvented roof assemblies, such as conditioned attics and unvented cathedral ceilings that are becoming common in North American construction.

Report to understand the long-term moisture performance of unvented roof assemblies with fibrous insulation.

Report providing builders in the hot-dry and mixed-dry climates with guidance for building homes that have whole-house energy savings of 40% over the Building America benchmark with no added overall costs for consumers.

Installation manual describing proper installation practices, industry standards and the code requirements of roofing tiles.

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.

This case study describes costs associated with the External Thermal and Moisture Management System developed by the NorthernSTAR Building America Partnership for retrofitting roofs with rigid foam over the roof deck, especially on one and a half-story homes.

Report describing research about a test implementation of an unvented tile roof assembly in a hot-humid climate.

This report outlines research activities that are expected to facilitate the adoption of energy retrofits by remodeling contractors and roofing contractors using retrofit panels which applicable to many existing house designs in most climates and markets.

Manual describing best practices or home construction in Alaska and northern climates.

Brochure on specifications for PV systems.

Webpage explaining what causes the formation of ice dams on roofs and steps to take to prevent them.

Article describing the effect metal roofs have on thermal performance in hot-humid climates.

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.

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

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

Information sheet with details on a building enclosure designed for Albuquerque, NM, as an example for building enclosures built for hot-dry and mixed-dry climates.

Technical article describing issues and moisture concerns related to weatherization efforts.

Webpage providing mapping tool for obtaining ground snow load, based on ASCE 7-10, for any location in the contiguous United States, with the exception of locations requiring a case study due to extreme local variations in ground snow loads. Fee required for some data.

Guide developed to help contractors, building operators, and city officials successfully adopt cool roof and pavement technology.

Report describing sloped roof assemblies with high levels of thermal performance.

Webpage providing guidance for homeowners on how much snow weight a typical roof can handle and when to consider removing snow from the roof.

Fact sheet describing analysis of potential heating and cooling savings from radiant barriers in attics.

This Measure Guideline provides design and construction information for a deep energy enclosure retrofit solution of a flat roof assembly.

Study reporting the results of comparative testing of the effect of finished and unfinished metal roofing systems on cooling energy performance in a test facility.

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

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.

Webpage describing how different amounts and types of snow loads affect the structural integrity of roofs and homes.

Study investigating measured cooling energy performance in side-by-side identical homes with varying roof types, including cool roof technologies.