Building Science Corporation Attic Air Sealing

A sample work plan can be found in appendix a.

Building science corporation attic air sealing.

Understanding and resolving ice dams. 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. Building science corporation. Building science corporation guide 47 pages.

Air leakage that is. 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. Guide to attic air sealing joseph lstiburek. Air seal the attic once the issues identified above have been addressed proceed to develop the attic air sealing work plan.

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. Building science corporation guide 2 pages. Building science corporation building technologies program recognizing top innovations in building science. Air sealing details for most common attic situations are provided in this guide on page 15.

Attic air sealing guide. Ductwork furnaces and air handlers should be sealed against air leakage. Other guides for air sealing are available. Building science corporation guide 7 pages.

The following sections provide greater detail on these conditions. The guide to attic duct sealing. The guide to attic air sealing provides information and specifications to the following groups. A building science consulting and full service architecture firm specializing in building technology for all types of buildings including commercial institutional and residential.

Spray foam under roof sheathing. What s wrong with this practice. 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.

Retrofit of blown attic insulation in existing hud code manufactured homes needs. Require air sealing and air barriers including attic hatches flues piping lighting wiring chases attic eaves dropped ceilings and knee walls. 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. Attic air sealing guide and details.