Roof Attic Ventilation Problems

When excess moisture seeps into roof.

Roof attic ventilation problems.

Just like properly sizing your furnace and air conditioning unit you want precisely. Excess heat and moisture cause roof decking to dry rot and shorten the life of shingles and. Both of these problems are either caused or made worse by inadequate attic ventilation. Sagging or spongy decking.

If you own an older home then there is a good chance that there isn t any roof ventilation. Attic ventilation systems should bring attic temperatures as close as possible to outdoor air temperatures. In the summer we get calls about hot attics. 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.

In the winter we get calls about wet attics. An air conditioner in a home with improper attic ventilation must work overtime to keep the inside. Static vents often protrude from roofline thanks to. 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. An unexplained uptick in your household heating and cooling bills which can happen if your attic insulation gets wet. Attic ventilation myths that are off the charts 1. Too many people believe the importance of roof ventilation is to increase energy.

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. Roof vents are for warmer climates. 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 wintertime cool air enters the attic through intake vents above the eaves and helps prevent ice damming.

A c wear and tear. 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. Without good ventilation moisture builds up in your attic which slowly eats away at the materials in your roof. 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. The importance of proper attic ventilation. Installation of this type of attic ventilation involves leaving a gap in the sheathing along the ridge and covering it with a perforated vent. A lack of intake ventilation is one of the biggest items.