This air leaks into your attic space and never reaches your living area which.
Checking attic leaks.
Don t go crazy with the water.
How to check a leaking duct in the attic.
While lights are on in the home observe from the attic crawlspace or basement any light from the interior of the house shining through gaps and cracks.
Examine the entire attic roof underside surface for evidence of water intrusion.
Go into your attic and locate the source of the leak on the underside of the roof deck using the measurements taken from your home s living space.
If the water meter test indicates a leak inside your home check the cabinets under the kitchen laundry and bathroom sinks to make sure they re dry.
Vent humid air from kitchens and bathrooms to the outside instead of the attic to avoid this problem.
Just be careful when you get up walk crawl around in an att.
You may see stained or discolored wood areas that will lead you to the source of the leak.
If you do not have built in pull down stairs then use a sturdy ladder to access the attic area.
The location of the actual entry point of the water into the attic space may be slightly different than where the leak.
Attic condensation is due to humid air leaking or vented into the attic.
Have a helper stationed in the attic with a flashlight looking for moisture.
Check for air leaks.
Leaking air ducts can lead to a significant loss of heated and cooled air.
Visual inspection for gaps and cracks.
Run the water over the place where you think the leak might be located.
Review the active leak and note the surface where the leak is dripping from.
Be sure to start small.
If your hvac system isn t blowing air when you re checking your ductwork you won t be able to locate less obvious leaks.
Insulation is responsible for keeping warm air inside your living space and out of the attic where it can lead to condensation.
Check the duct joints.
See basic ladder safety if you intend to use a ladder.
Investigate appliances and fixtures.
Inspect your attic insulation.
If you don t want to wait for rain to look for the leak try bringing the garden hose up on the roof.
Where you see light shine through that spot has an air leak.
