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Rigid Foam Insulation Unvented Flat Roof — Rafters Hidden construction detail

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Detail 40

Rigid Foam Insulation Unvented Flat Roof — Rafters Hidden

Low-slope (flat) roof build-up using rigid foam insulation, with R-value requirements for every IECC climate zone (1 to 8).

Zone 1Zone 2Zone 3Zone 4Zone 5Zone 6Zone 7Zone 8

$9.95

Any 10 details for $59 · All 48 for $149

Included

  • PDF drawing
  • Specification as editable text
  • General construction notes

Specification preview

Rigid foam insulation rafters hidden unvented flat roof: Single ply or BUR membrane laid on rigid foam insulation fixed through air barrier membrane (membrane roofing in cold / very cold climates or house wrap in other climates) to ply sheathing fixed through……

The full specification, with insulation values for each climate zone and the extra notes, is in your download.

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