Terrace Screed FallsEnter the terrace, the outlets and the fall. Get the thickest point of the screed, the real fall along the valleys, the volume and the dead load, with the hip-and-valley falls drawn on the plan.

SheetT-46
MethodHip & valley planes
Unitsm, mm, kN
By@smart_tools_every_week
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The fall is set on each plane. Valleys into the outlets run on the diagonal, so they are flatter than the planes. Minimum thickness is the screed at the outlet. Cement screed or brick-bat coba is roughly 19–22 kN/m³; use your own value. Outlets per edge is ignored for the 4-corner layout.

Thickest point–
Valley fall–
Screed volume–
Dead load avg–

Plan of falls

Section along the outlet edge

Per outlet catchment m²

Outlet options

LayoutOutletsThickestAverageVolumeLoad avg