Rooftop mechanical equipment: curb, structure and membrane
Adding or replacing equipment on a flat/low-slope roof affects loads, opening, membrane upstands, drainage, vibration, condensate and service access.
Decision triage
VERT / GREEN · JAUNE / YELLOW · ROUGE / RED
What the professional checks
The professional checks loads/vibration, opening and curb, anchorage, air barrier/insulation, membrane upstands, drainage/condensate and service access.
Official sources
Sources checked: 2026-08-24
Related path
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