Abstract: A preformed hinged foam sump for use on a flat roof includes two mirror image sides connected along the hinge which folds from an 8×8 structure to a 4×8 structure. Each of the mirror image panels includes a central panel which is a right isosceles triangle which slopes to the 90 degree angle of the right isosceles triangles. Each side includes two side panels which are sloped to the same point as the central panel and are also right isosceles triangles. The panels are bonded together to form each side which is connected by a flexible material or tape along the bottom side to allow the two sides to fold relative to each other to change from an 8×8 structure to a 4×8 structure and open up to an 8×8 structure for use on a roof surface.

Abstract: A preformed hinged foam sump for use on a flat roof includes two mirror image sides connected along the hinge which folds from an 8×8 structure to a 4×8 structure. Each of the mirror image panels includes a central panel which is a right isosceles triangle which slopes to the 90 degree angle of the right isosceles triangles. Each side includes two side panels which are sloped to the same point as the central panel and are also right isosceles triangles. The panels are bonded together to form each side which is connected by a flexible material or tape along the bottom side to allow the two sides to fold relative to each other to change from an 8×8 structure to a 4×8 structure and open up to an 8×8 structure for use on a roof surface.

Abstract: A panel unit for roof drainage comprises plural panel sections with adjoining ones of the plural panel sections connected to be foldably collapsed on one another into a storage (e.g., transport) unit. In one embodiment, the panel sections are connected together for folding, e.g., by a hinge. Roofing saddles and roofing crickets of the present invention are formed using one or more sets of panel units. Sets of panel units are fabricated to have essentially the same footprint on the roof, although a lastly installed one of the sets of panel units is modified on site. A method of installing a roofing saddle comprised of the panel units is also provided.

Abstract: A panel unit for roof drainage comprises plural panel sections with adjoining ones of the plural panel sections connected to be foldably collapsed on one another into a storage (e.g., transport) unit. In one embodiment, the panel sections are connected together for folding, e.g., by a hinge. Roofing saddles and roofing crickets of the present invention are formed using one or more sets of panel units. Sets of panel units are fabricated to have essentially the same footprint on the roof, although a lastly installed one of the sets of panel units is modified on site. A method of installing a roofing saddle comprised of the panel units is also provided.