Black On Roof Deckin Attic Inspect

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.

Black on roof deckin attic inspect.

Mold growing on the sheathing in your attic is a serious problem that shouldn t be ignored. Leaks in the roof may also cause black mold in the attic. 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. In the vast majority of cases the mold growth is caused by condensation.

Although you can t see it roof decking is very. Mold located on ductwork on roof decking trusses or just about anywhere in the attic is simply a problem of excessive moisture. Poorly maintained roof gutters and eaves may lead to water seepage under and between slats. 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.

Causes of mold in your attic. When looking for attic mold trace both leak. 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.

What is roof decking. 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. It s the base that lays on top of the structural trusses the bones of your attic to cover the rafters and support the weight of the roofing shingles. The presence of mold inside your home even if it.

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 sections are durable lightweight easy to handle and resemble floor grates that provide plenty of ventilation for insulation below. This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate. Roof decking is the foundation of your roofing system that connects the roof to your house.