Patent attributes
A mounting device includes a base that is rectangularly elongated. The base includes an open bottom that extends lengthwise along a direction of elongation of the base. A pair of guides is disposed on opposite sides of the base, extending lengthwise along the direction of the elongation of the base. The pair of guides are for guiding support hardware in linear movement along the direction of the elongation of the base. An internal cavity is within the base for containing a sealant against a roof when the mounting device is secured to the roof. An opening extends through the base for receiving a fastener to secure the mounting device to the roof. The opening is in communication with the internal cavity.