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ridge vent and powered
It is true that no ridge board is needed if the pitch is steep and rafters are directly opposed. This is the only time a ridge board is not needed.
A longitudinal member in a roof frame, usually for supporting common rafters or the like between the plate and the ridge. One of several horizontal timbers supporting the rafters of a roof. http://www.bw-industries.co.uk/roof-purlins.htm
The liner panel for a Butler roof system will support the weight of several weighing up to 300 pounds and their equipment during the erecting of a roof system. Safety standards require that the structure be able to hold at least one ton of weight.
WHICH VENT If you're talking plumbing roof vents or soffit or ridge attic air vents; absolutely not!! I can't thing of a single vent that would be opened and closed at will.
The apex of roof is basically the highest point of the roof where ridge cap and ridge roll of a roof is located.
To seal the ridge from weather. If a ridge vent is used it is just that, a vent for the roof.
The highest part of the roof is the ridge.
The highest point of each roof area.
peak or ridge or ridge cap
The top of the house had a ridge on it.Our house has a ridge on the top of the roof.
Ridge
The highest point, the peak of each gable or hip.
I have a camero, and the sun roof leaked through the winter. I have mold on the seats and carpet is there a cleaner I can use on the seats and carpet myself?
For a typical gable roof you have a ridge board at the top with rafters running from the ridge to the top plates of the walls
roof, peak, ridge
The ridge.