9.36.2.10.(10) Air Barrier Details at Exposed Floors

Photo Source: Summerhill


9.36.2.10. (10) Cantilevered floors and floors over unheated spaces or over the exterior shall be constructed airtight by one of the following methods or a combination thereof:

a) sealing all joints and junctions between the structural components, or

b) covering the structural components with an air barrier material and sealing it to the adjacent air barrier material.