How To Repair Roof Sheathing From The Attic

Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest.

How to repair roof sheathing from the attic.

If your roof decking gets wet it can develop wood rot and impact the performance of your whole roof. In the vast majority of cases the mold growth is caused by condensation. 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. Follow these steps or call for emergency roof repair services to preserve the condition of your home.

Make the final repair as soon as weather permits. 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. Shingle obstructed ridge vent warning. Remove the insulation from the drywall that is your ceiling and remove standing water with sponges gently.

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. 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. Get in the attic. This problem can go unnoticed as damaged roof decking hides beneath shingles and above the attic insulation.

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. This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate. Repairing a roof leak from the inside is a temporary fix only. Locate the rotted roof decking.

Sheathing isn t normally visible so it can be challenging for homeowners to find this problem before it becomes serious. Mold on attic sheathing. Look up at the roof area. 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.