If there is inadequate ventilation in your attic then contract your local roofing contractor for information on adding roof vents.
Attic cover condensation.
There are plenty of things you can do to minimize attic condensation from occurring.
Simply staple a 6ml polyethylene material to your ceiling joists.
Adding a few vents to the floor of the attic that extend to the ceiling of the story below the attic can help to promote air flow within the attic.
Fixing this issue can be less costly than replacing a roof but it should be addressed as soon as possible.
The most common cause for this is inadequate ventilation in your attic.
If stale air is what condensation thrives on then we need to make sure the opposite is happening in our attic environment.
Your attic has vents for a reason.
Good insulation is a must because it minimizes the amount of warm air entering the attic to begin with.
Signs of condensation in the attic may include the following.
Most people assume this is caused by a leaking roof but that might not be the source.
Make sure they are properly insulated.
Get the air moving.
Finding water damage on the wall or ceiling is worrying for any homeowner.
This may increase condensation and lower the effectiveness of the insulation.
Noticeable musky damp odor.
You can either form this into each bay between the joists or cover the attic floor flat.
Keep ducts spaced apart so air can flow between them.
This is especially important in your attic bypasses areas connecting to your home like heating ducts kitchen exhaust fans lighting fixtures bathroom vents etc.
A moist attic means moist insulation and moist insulation is less effective.
Traces where water has trickled down the walls.
Also because airflow is not uniform significant condensation may still occur.
The enemy of water condensation is air movement.
Water found in these places is commonly caused by condensation in the attic.
Increased ventilation alone will increase the exfiltration of air lowering the temperature of the attic.
Reduce the humidity level around your air ducts.
Recognize the signs of stress when too much snow and ice has accumulated on your roof or when you have too much condensation in your attic.
Sometimes attic condensation is the result of an attic being improperly ventilated.
Sagging ridgeline drooping ceilings water leaks on interior walls and ceilings jammed doors cracked interior walls near the center of your home creaking sounds.
In order to boost air flow one can install an attic fan.
If ducts are located in a crawlspace underneath your house cover the soil to reduce moisture.
If they are located in your attic be sure the area is properly insulated and any cracks or holes are sealed.