When i looked in the attic above the stain i saw snow that had blown into the garage attic through the soffit vent.
Snow blowing into attic through roof vents.
Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic.
These vents give your roof a nice clean look and provide more open area for the hot air in the attic to escape.
Roofers often complain that roof vents battered by storms can fail allowing blowing snow and rain to penetrate the attic.
Air blows into your attic through perforated soffit vents at the eves and helps push the air in the attic up through the ridge vent.
Hi i m looking for suggestions to the possible cause of snow entering the attic through at least five of the seven roof vents on the home pictured in attachments.
On an inspection yesterday i noticed a water stain in the corner of the garage ceiling.
While some water can be blown into the attic through almost any type of soffit vent the amount of water intrusion increas es dramatically when the.
Yesterday we had snow and high winds.
Failing vents cause rot mould insulation damage call backs thousands of dollars of repairs and disappointed customers.
Minimizing water intrusion through roof vents in high wind regions 2 of 8 r 7 oofing 12 10 mitigation guidance soffit vents key issues n it is important to keep the soffit ma terial in place.
No matter how much wind and snow they should never allow snow into the attic.
In one particular case it seemed to be a pretty big factor in the amount of moisture in the attic as there was serious frost covering most of the roof deck.
That explained what had caused the water stains.
This should lower the temperature of your attic and lower your energy bills in the summer months.
After pretty much every storm like this i tend to find piles of snow in clients attics right around the gable end vents on the windward side of the attic naturally.
There were no obvious roof problems although i did not walk the roof with snow on the roof.
Keeping rain from blowing in attic vents requires a few hours of your time but may save you the cost of expensive repair bills.
Securing vents loose vent covers can allow rain to blow into the attic.
Another fine snow strong wind event here in eastern canada today.
I ve never had a problem with any of several hundred installations we ve done.