Roof Attic Ventilation Problems

Excess heat and moisture cause roof decking to dry rot and shorten the life of shingles and.

Roof attic ventilation problems.

If you own an older home then there is a good chance that there isn t any roof ventilation. When you have proper roof ventilation in place you re allowing the hot air to escape before it melts the snow and ice on the roof preventing ice dams from forming on its edges. The reason this does not create an issue is that these houses aren t as air tight as the modern structures are which means they have adequate air movement despite the lack of any vents. Roof vents are for warmer climates.

Dampness in your attic is a clear sign you have problems with the roof ventilation. An air conditioner in a home with improper attic ventilation must work overtime to keep the inside. Attic ventilation problems can be caused by a number of things. In the winter we get calls about wet attics.

Both of these problems are either caused or made worse by inadequate attic ventilation. Attic ventilation myths that are off the charts 1. More attic ventilation is good. Sagging or spongy decking.

More frequent hvac repairs as heating and cooling equipment that s under a heavier workload can become more. The problem is this water refreezes as soon as it reaches the roof s edges hence the formation of ice and snow around the roof s edges. Installation of this type of attic ventilation involves leaving a gap in the sheathing along the ridge and covering it with a perforated vent. Too many people believe the importance of roof ventilation is to increase energy.

In the summer we get calls about hot attics. Excessive moisture caused by poor roof ventilation and attic insulation can deteriorate your entire roofing system from the decking and supports to the underlayment and shingles. An unexplained uptick in your household heating and cooling bills which can happen if your attic insulation gets wet. While there are other factors that could be causing your roof to deteriorate like poor installation in most cases when a roof is prematurely aging it will be poor attic ventilation that is at the heart of the issue.

Short roof life. When excess moisture seeps into roof. In the wintertime cool air enters the attic through intake vents above the eaves and helps prevent ice damming. Without good ventilation moisture builds up in your attic which slowly eats away at the materials in your roof.

Attic ventilation systems should bring attic temperatures as close as possible to outdoor air temperatures. Here are some subtle and some not so subtle things to watch out for. The importance of proper attic ventilation. A lack of intake ventilation is one of the biggest items.