Detail 39 · All zones

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Detail 38
Low-slope (flat) roof build-up using rigid foam and batt 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
Rigid foam and batt insulation 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.
Detail 39 · All zones
Detail 40 · All zones
Detail 45 · All zones