Building Science Corporation Attic Air Sealing

Other guides for air sealing are available.

Building science corporation attic air sealing.

Air seal the attic once the issues identified above have been addressed proceed to develop the attic air sealing work plan. Building science corporation guide 47 pages. Spray foam under roof sheathing. A building science consulting and full service architecture firm specializing in building technology for all types of buildings including commercial institutional and residential.

Understanding and resolving ice dams. Guide to attic air sealing joseph lstiburek. Neither the united states government nor any agency thereof nor any of their employees. This assessment is adapted from the measure guideline report guide to attic air sealing prepared by building science corporation for the u s.

Building science corporation may 15 2014 typical penetrations through the primary components of the air barrier system include plumbing pipes and vents electrical wires and conduits electrical fixtures other mechanical services and in some cases structural members. Require air sealing and air barriers including attic hatches flues piping lighting wiring chases attic eaves dropped ceilings and knee walls. The following sections provide greater detail on these conditions. A sample work plan can be found in appendix a.

The only place air should be able to leave the supply duct system and the furnace or air handling unit is at the supply registers. Air leakage that is. Attic air sealing guide. Building science corporation guide 7 pages.

Building science corporation guide 2 pages. Building science corporation. Building science corporation building technologies program recognizing top innovations in building science. Department of energy s building america program.

What s wrong with this practice. Attic air sealing guide and details. The attic air sealing details section provides a scope of work and specification for the air sealing of many points of air leakage in common attic spaces. In hot climates the primary purpose of attic ventilation is to expel solar heated hot air from the attic to lessen the building cooling load.

Air sealing details for most common attic situations are provided in this guide on page 15. The guide to attic air sealing provides information and specifications to the following groups. Ductwork furnaces and air handlers should be sealed against air leakage. Retrofit of blown attic insulation in existing hud code manufactured homes needs.