Vented versus Unvented Attic 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.
Preview Image FORTIFIED Animation: Hurricane - ATTIC VENTS Publication Date August, 2015 Description Video showing the requirements for attic vents in homes to comply with IBHS FORTIFIED Home requirements.
Unvented Conditioned Attic with Spray Foam Insulation Below Roof Deck Description Guide describing a method for insulating an unvented attic by spraying foam insulation along the underside of the roof deck.
Preview Image Building Science Insights: To Vent or Not to Vent Publication Date February, 2014 Author(s) Lstiburek Organization(s) Owens Corning Description Video presentation describing proper attic venting design for energy efficiency and weather resistance.
Below Deck Spray Foam Insulation for Existing Roofs Description Guide describing how to add spray foam insulation to the underside of the existing roof deck as part of the conversion of a vented attic to an unvented, insulated attic.
New Whole-House Solutions Case Study: Nelson Construction: Hamilton Way, Farmington, CT Author(s) Pacific Northwest National Laboratory Organization(s) PNNL Publication Date April, 2012 Description Case study describing the design and testing of 10 high-performance homes in Farmington, Connecticut.