ABS thermoplastic curb assembly

Claim 1

A multi-purpose roof penetration curb to universally provide waterproof and weatherproof passage for pipes and the like passing through roofs, said curb comprising a unitary plastic five sided box-like structure having an integral base for resting said box-like structure directly on a roof over an opening in the roof, said five sides of the box-like structure comprising four upstanding side walls and an integral top section extending across said side walls, said top section being solid and non-apertured but having inchoate passageways therethrough, said inchoate passageways comprising a large circular cup-like section extending upward from said top section, a plurality of smaller circular cup-like sections integral to said larger cup-like section, said cup-like sections being sized to accomodate pipes of varying sizes and having upstanding cylindrical side walls, and said base comprising integral flange means extending outward from said four side walls serving as a base for said box-like structure, whereby said box-like structure is placed over an opening in the roof obviating the necessity of building a curb surrounding said opening.