Walk carefully on the ceiling joists in the attic or use a sheet of plywood to walk on so you will not accidentally put a hole in the ceiling panel.
How to repair roof sheathing from the attic.
Locate the rotted roof decking.
Look up at the roof area.
This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate.
Shingle obstructed ridge vent warning.
Remove the insulation from the drywall that is your ceiling and remove standing water with sponges gently.
Make the final repair as soon as weather permits.
Even in this case in our opinion the reasons to remove and replace roof sheathing and framing would normally be based on the condition of the roof framing and sheathing not on the presence of mold or stains.
Gain access to the attic to inspect the plywood or roof decking.
Follow these steps or call for emergency roof repair services to preserve the condition of your home.
Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest.
The first thing you need to do is to find the access to your attic and get up there.
You can remove small amounts of mold covering 10 square feet or less of attic sheathing yourself but if the mold growth covers more than 10 square feet you should contact a.
In the vast majority of cases the mold growth is caused by condensation.
Note bad areas for removal.
Mold on attic sheathing.
Repairing a roof leak from the inside is a temporary fix only.
This problem can go unnoticed as damaged roof decking hides beneath shingles and above the attic insulation.
Get in the attic.
Proper ventilation proper air flow in a roof keeps it in good dry and sound condition so make sure there are air baffles on the roof deck so that air can pass through from the soffit and a simple way to check this is while wearing appropriate safety equipment for handling insulation products carefully put head and shoulders into the unconditioned attic space with the lights off shut.
Sheathing isn t normally visible so it can be challenging for homeowners to find this problem before it becomes serious.