Compare daylight goal, orientation and certified product before opening roof.
V19
Skylights and tubular daylighting
Coordinate roof opening, flashing, curb, tunnel, insulation, air sealing, condensation and solar overheating.
Checked: 2026-08-22
Tunnel and curb must remain continuous with insulation/air barrier and flashing.
Framing to cut, existing leak or persistent condensation: design/repair before installation.
Useful tools / data
- Roof/framing plan
- Solar orientation
- ENERGY STAR data
What the professional checks
- Design opening/reinforcement
- Detail flashing/air barrier
- Check condensation/overheating
Sources and limits
Triage helps prepare the project; it does not replace permits, calculations, inspections or regulated work.
V14
Systems to check before closing the work
V14 connects envelope, air, fire, structure, water and code instead of treating each project in isolation.
V29
Household safety and compliance details
V29 connects smaller risks that often fall between finishes, appliances, plumbing and local code.
V33
Invisible constraints before work
V33 checks electrical, legal, environmental and climate constraints that can block a project before demolition starts.