Abstract: A conjoint facia, hood and water dam is provided having dam and first engagable means affording dam means with ridge structure, and first engagable means. Sheet roofing leading onto the dam means is clamped to the ridge structure by clamp means subsequently to be covered by a facia and hood member, the latter having hood structure and facia means with second engagable means extending from the facia means. The first and second engagable means together form restraining means to be engaged for maintaining the facia means horizontally laterally restrained and the first engagable means includes detaining means for detaining the facia and hood member against upward movement relatively to the dam and first engagable means with the restraining means being engaged.

Abstract: A conjoint facia, hood and water dam is provided having dam and first engagable means affording dam means and first engagable means. Ridge structure of the dam means, against which ridge structure sheet roofing rests, is covered by hood structure of at least one facia and hood member, with there being second engagable means of the conjoint facia, hood and water dam available as an extension of the facia and hood member. The first and second engagable means together form tongue means and grooved means for these means to be engaged and the first engagable means includes detaining means for upward movement of the facia and hood member relatively to the dam and first engagable means to be stopped.