Excess heat and moisture cause roof decking to dry rot and shorten the life of shingles and.
Roof ventilation problems.
Short roof life.
Roof vents remove warm air during the winter.
Both of these problems are either caused or made worse by inadequate attic ventilation.
The importance of proper attic ventilation attic ventilation systems should bring attic temperatures as close as possible to outdoor air temperatures.
Roof vents are for warmer climates.
Just like properly sizing your furnace and air conditioning unit you want precisely the right amount of attic.
It is almost impossible to tell from the outside if the vents are blocked by insulation.
An air conditioner in a home with improper attic ventilation must work overtime to keep the inside.
This causes problems since melting ice dams can cause water to back up and leak into your home damaging ceilings walls and many other areas of your home.
Ridge vents do not always provide the proper ventilation in some homes.
Here are some subtle and some not so subtle things to watch out for.
One solution would be to install fascia vents and another less desirable option would be to install a bunch of box vents low down on the roof.
Sagging or spongy decking.
Attic ventilation problems can be caused by a number of things.
Without any low vents the high vents will tend to pull conditioned house air into the attic through attic air leaks.
Poor roof ventilation facilitates the formation of ice dams when the trapped heat in the attic causes the snow or ice on the roof to melt.
More frequent hvac repairs as heating and cooling equipment that s under a heavier workload can become more.
When excess moisture seeps into roof.
Soffit vents blocked by insulation is a common problem.
A c wear and tear.
When roof ventilation doesn t work properly moisture from rising warm air condenses on your rafters.
An unexplained uptick in your household heating and cooling bills which can happen if your attic insulation gets wet.
Dampness in your attic is a clear sign you have problems with the roof ventilation.
A lack of intake ventilation is one of the biggest items.
List of the cons of roof ridge vents.
More attic ventilation is good.
Attic ventilation myths that are off the charts.
The effect of ridge vents for the roof depends upon the energy efficient nature of the structure.