Related illustrations

0123

Flat roof draining onto sloped roof

· p. 29

The section shows a gravel-covered, four-ply flat roof draining onto an adjacent shingled sloped roof. A metal gravel stop has a horizontal flange integrated into the flat roof membrane, a raised edge to retain gravel, a

0090

Built up roofing membrane - 4 ply

· p. 23

The illustration shows a cutaway of a four-ply built-up roofing membrane over roof sheathing. A dry-laid felt base layer is nailed to the deck with a minimum 2-inch overlap at its edges. Above this base, 36-inch-wide roo

0108

Built up roofing membrane - curbed edge

· p. 26

The illustration shows a section through the curbed edge of a built-up roof with a four-ply membrane, an asphalt flood coat, and gravel surfacing over roof sheathing. The membrane turns upward along a triangular 3x3 cant

0104

Built-up flat roof/wall flashing

· p. 26

The illustration shows a gravel-surfaced built-up flat roof meeting a masonry wall, with an overview inset and an enlarged section through the flashing assembly. A four-ply membrane lies over roof sheathing supported by

0107

Built up roofing membrane - edge details

· p. 26

The illustration shows a section through the perimeter of a gravel-surfaced, four-ply built-up roof, with a small perspective inset illustrating the layered roofing assembly. Metal edge flashing extends horizontally into