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.

An unexplained uptick in your household heating and cooling bills which can happen if your attic insulation gets wet. Attic ventilation problems can be caused by a number of things. Here are some subtle and some not so subtle things to watch out for. More frequent hvac repairs as heating and cooling equipment that s under a heavier workload can become more.

A lack of intake ventilation is one of the biggest items. Attic ventilation myths that are off the charts 1. Sagging or spongy decking. Too many people believe the importance of roof ventilation is to increase energy.

When excess moisture seeps into roof. 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. Without good ventilation moisture builds up in your attic which slowly eats away at the materials in your roof. Installation of this type of attic ventilation involves leaving a gap in the sheathing along the ridge and covering it with a perforated vent.

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. In the summer we get calls about hot attics. A c wear and tear. An air conditioner in a home with improper attic ventilation must work overtime to keep the inside.

The importance of proper attic ventilation. Short roof life. Roof vents are for warmer climates. Static vents often protrude from roofline thanks to.

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. In the winter we get calls about wet attics. Dampness in your attic is a clear sign you have problems with the roof ventilation. 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.

More attic ventilation is good. Both of these problems are either caused or made worse by inadequate attic ventilation. If you own an older home then there is a good chance that there isn t any roof ventilation. 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.