Black On Roof Deckin Attic Inspect

This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate.

Black on roof deckin attic inspect.

Roof decking is the foundation of your roofing system that connects the roof to your house. Leaks in the roof may also cause black mold in the attic. If you find black spots in your attic and you are thinking it could be harmful black mold you do not necessarily need to panic. Mold located on ductwork on roof decking trusses or just about anywhere in the attic is simply a problem of excessive moisture.

Not only can this cause black mold to grow on the inside it may also cause damage to the outside of the home as well. Poorly maintained roof gutters and eaves may lead to water seepage under and between slats. The presence of mold inside your home even if it. Mold growing on the sheathing in your attic is a serious problem that shouldn t be ignored.

Does mold on attic sheathing have to be removed. 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. In the vast majority of cases the mold growth is caused by condensation. When looking for attic mold trace both leak.

The brown black attic mold on plywood in the left hand photo is easy to spot and is often an allergen or problematic attic fungus like cladosporium sp pithomyces chartarum ulocladium sp or aureobasidium pullulans but the light colored mold on the tongue and groove pine roof sheathing in the right photo was found to be penicillium sp. Although you can t see it roof decking is very. Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest. 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.

The photo at page top shows white attic mold on the roof sheathing and rafters and some brown or black mold on the attic side of ceiling drywall where we pulled back insulation. Causes of mold in your attic. The sections are durable lightweight easy to handle and resemble floor grates that provide plenty of ventilation for insulation below. What is roof decking.