Roof Attic Ventilation Problems

Too many people believe the importance of roof ventilation is to increase energy.

Roof attic ventilation problems.

The importance of proper attic ventilation. Attic ventilation problems can be caused by a number of things. Without good ventilation moisture builds up in your attic which slowly eats away at the materials in your roof. In the winter we get calls about wet attics.

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. Static vents often protrude from roofline thanks to. Sagging or spongy decking. In the summer we get calls about hot attics.

In the wintertime cool air enters the attic through intake vents above the eaves and helps prevent ice damming. Just like properly sizing your furnace and air conditioning unit you want precisely. Both of these problems are either caused or made worse by inadequate attic ventilation. More attic ventilation is good.

If you own an older home then there is a good chance that there isn t any roof ventilation. A c wear and tear. When excess moisture seeps into roof. Here are some subtle and some not so subtle things to watch out for.

Attic ventilation systems should bring attic temperatures as close as possible to outdoor air temperatures. 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 air conditioner in a home with improper attic ventilation must work overtime to keep the inside. 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.

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. Installation of this type of attic ventilation involves leaving a gap in the sheathing along the ridge and covering it with a perforated vent. Attic ventilation myths that are off the charts 1. Excess heat and moisture cause roof decking to dry rot and shorten the life of shingles and.

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. Short roof life. An unexplained uptick in your household heating and cooling bills which can happen if your attic insulation gets wet.