Multiple Hollow Bulb Seal

Abstract

A seal for use in a fenestration system including: a seal base; an elongated, resilient bulb member defining a longitudinal direction and a transverse direction; wherein: the stem portion of the seal base and the resilient bulb member are rigidly directly mechanically connected to each other; the bulb member includes an exterior bulb wall with an interior surface, a first interior wall, and a second interior wall; the exterior bulb wall defines an interior space; the first interior wall and the second interior wall separate and at least partially define a first chamber, a second chamber, and a third chamber within the interior space of the exterior bulb wall.

Dependencies are inferred from the claim text.