There are usually no problems with "long" vents, more commonly known as ridge vents. There are different types, some better then others. I prefer the ones most use now that have matching cap shingles on top as they look better and have less problems then the older aluminum ridge vents.
Usually the "dome vents" are used on Hip roofs where you do not have a long ridge to have a ridge vent.
Frank
(Licensed Florida Home Inspector)
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The Plantation in Leesburg, just south of you good people. Love being a Floridian!
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