a flip-up roof for what?
It's on the dash in front of the passenger seat , it' has a flipup cover that say aux.
Fire
roof scoop or sun roof
A cold roof has insulation below the roof deck, allowing the roof to stay cold and prevent ice dams. A warm roof has insulation above the roof deck, keeping the roof warm and preventing condensation.
ceiling, sealing
it is the roof that is what on the top a roof
roof is roof. It's the same.
The apex of roof is basically the highest point of the roof where ridge cap and ridge roll of a roof is located.
The roof of a cave is referred to as the "ceiling" or "overhang".
The roof
A roof joist is a horizontal beam that supports the ceiling below, while a roof rafter is a sloped beam that supports the roof itself. Joists help distribute the weight of the roof and ceiling, while rafters provide the framework for the roof's shape and support the weight of the roof materials.
Generally there is no need for a roof jack in a porch roof. If the porch ceiling will be covered you could run a vent through the roof.