1. The above-grade exposed foundation wall height shall not exceed 1.5 feet (457 mm).
2. The top and bottom plates shall be air sealed to the foundation wall surface and the basement floor.
3. A vapor retarder and air barrier shall be applied to the warm in winter side of the wall with a permeance not greater than 1.0 in accordance with ASTM E96 procedure A and a permeance not less than 0.3 in accordance with ASTM E96 procedure B meeting the following requirements:
a. the vapor and air barrier shall be sealed to the framing with construction adhesive or equivalent at the top and bottom plates and where the adjacent wall is insulated;
b. the vapor and air barrier shall be sealed around utility boxes and other penetrations; and
c. all seams in the vapor and air barrier shall be overlapped at least 6 inches (152 mm) and sealed with compatible sealing tape or equivalent.