My Roof Has No Ridge Vent

There current roof has lasted 28 years with just the two gable vents and about four metal roof vents along the 50 ridge.

My roof has no ridge vent.

Take for example ridge vents. While hardly anybody agrees on the best roof ventilation system everybody agrees some roof vents do hardly any good at all. Vents that run along the roof ridge are an alternative to those that exit through the roof decking or gables and if the ridge is long enough they may be the only roof vents you need. My roof guy said ridge vents shouldn t be installed at different heights.

Ridge vents openings that run the entire length of your roof along the ridge are often visible only to a trained eye. There were gable vents but no ridge vent. Open wall gable vents and roof vents are no longer feasible but the. For example along the long peak and then on the gables that blend into the roof at a lower level than the highest long peak.

This eliminates any hot spots that can develop with exhaust vents. This is the most naturally balanced of all the fixed vent options. Another advantage of ridge vents is that they create the most air moving in a uniform way. The long term plan would be to replace the solid aluminum soffit with vented panels and then close up the gable vents and use strictly the ridge vent at that point but knowing my dad that may be another five years so i.

If your home has a flat roof then you will not benefit from the use of a roof ridge vent. I have roof vents so i have roof ventilation. The shape of the roof impacts how much air comes through the system which means this vent must always be placed at the peak of the roof along your ridges. But when it gets buried kankan adds bam dams.

The reason being is the the higher long peak ridge vent end up drawing air through the lower smaller ridge vents on the peak. Ridge vents run the entire length of the roof and therefore help to pull air evenly throughout the entire roof. When the wind is perpendicular to the gable the cooler outside air enters the gable vent and drops to the floor of the attic before rising to exit at the. On a house with eaves and gable vents but no ridge vents wind perpendicular to the ridge tends to create air flow along the floor of the attic but leave hot dead air in the roof peak left.

If you have a hip roof with very little ridge a power fan with both a thermostat and humidistat for both temperature and humidity should be installed with no ridge vent. This product works best on homes with a slanted pitch to the roof but not too steep of course. After i re roofed the place with a ridge vent installed that surface stayed dry essentially all the time kankan writes that his well insulated roof has no problem with ice dams as long as the ridge vent is visible. With any attic ventilation system the attic can be 20 degrees hotter than outside.