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Details / Roofs

Spray Foam and Rigid Insulation Unvented Flat Roof construction detail

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Detail 45

Spray Foam and Rigid Insulation Unvented Flat Roof

Low-slope (flat) roof build-up using spray foam and rigid 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

Spray foam and rigid foam insulation unvented flat roof: Single ply or BUR membrane laid on rigid foam insulation fixed to ply sheathing fixed through furrings with 2% slope to lumber rafters fixed to wall plate. All structural elements to be designed by a……

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

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