How To Repair Roof Sheathing From The Attic

Locate the rotted roof decking.

How to repair roof sheathing from the attic.

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. Make the final repair as soon as weather permits. Repairing a roof leak from the inside is a temporary fix only.

If when inspecting from the attic and looking up into the slot of removed plywood at the ridge of the roof you see the under side of a roof shingle either the roofer made the ridge vent a bit longer than needed or something else is going on that we d need to check from outside. If your roof decking gets wet it can develop wood rot and impact the performance of your whole roof. 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. Sheathing isn t normally visible so it can be challenging for homeowners to find this problem before it becomes serious. Remove the insulation from the drywall that is your ceiling and remove standing water with sponges gently. 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.

In our roof interior attic photo at left you can see antique roof framing along with black stains and probably some mold growth from a long history of roof leaks. Get in the attic. Note bad areas for removal. Look up at the roof area.

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. This problem can go unnoticed as damaged roof decking hides beneath shingles and above the attic insulation. In the vast majority of cases the mold growth is caused by condensation. Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest.