Abstract: The present disclosure pertains to a self adjusting gasket to prevent leakage at a joint between an associated first pipe and an associated second pipe including a wedge shaped body made of a generally compressible, leak proof material. The wedge shaped body having a profile that includes a tapered front portion, a planar rear portion, a first contact surface, an inclined second contact surface, including a first fin having a trailing edge oriented generally normal to the first contact surface and a second fin spaced from the first fin. A generally continuous annular cavity is located in the wedge shaped body wherein the cavity is not symmetrically shaped and a fluid disposed in the cavity.