Dual gutter assembly for prefabricated buildings

摘要

A gutter assembly for collecting drainage from a building portion such as adjacent roof sections forming a valley in which a primary gutter preferably comprising a plurality of telescoping gutter sections is disposed along the building portion, while a flexible liquid-impervious membrane extends continuously along the building portion beneath the primary gutter to catch any drainage escaping therefrom. A secondary gutter also preferably comprising a plurality of telescoping gutter sections supports the membrane along its length beneath the primary gutter to ensure against rupture of the flexible membrane from liquid pressure.