Fungus On Roof Rafters

Re roofing with lining lining papers sarking roofing felt can cause severe mold growth and rot due to reduced ventilation.

Fungus on roof rafters.

Testing attic mold in most cases testing for attic mold is unnecessary. They require much higher levels of available water to grow. Fungal spores hyphae and conidiophores the spore producing structures of mold. Below are a few ways to check for possible roof leaks.

I am planning on doing the repairs myself. Excessive ceiling insulation pushed down into the roof edges can also cause condensation and mold growth because it frequently blocks off the eaves or soffit ventilation. I am wondering what would be the best replacement material. The roof deck appears to be 1 x 6 boards maybe pine.

Attic mold is often caused by warm moist air from the house leaking into the attic space. Rotted wood rafters in a roof are a serious issue. Seal any openings like vents and windows using plastic sheeting. These are distinct from molds and are relatively small in number in comparison to molds.

Roof leaks will often lead to a small localized area of attic mold near where the leak is occurring. Check for areas of dark discoloration staining of wood e g. Generally water leaks and poor ventilation leading to condensation are the main roof defects which give rise to a variety of fungi moulds and insect attacks. Frankly nobody who actually knows much about mycology and mold would from looking at the white growth on a surface by naked eye assert that it is a species of aspergillus.

In short no. This causes condensation to form on the cold surfaces in the attic especially roof rafters sheathing and trusses. Therefore we already know something about your third remediator and his or her claim. Rot dry rot wet rot white rot brown rot is caused by wood decay fungi.

With your attic contained you can begin drying the mold. Wood rotting from the inside out compromises the structural integrity of the rafter. Commonly what you can see of the rotted wood is only part of the problem it is what you cannot see under the surface of the wood that can be the main issue. Even if conditions are conducive to mold growth elevated moisture plywood made from a fungal resistant wood will resist mold growth for quite a while.

Working with active mold will only spread the fungus but you can. Rafters sheathing joists attic side of fascia boards etc. It is not necessary to remove all stains from wood. That could indeed be and looks like a white fungus or mold growth on roof sheathing.

Damage to rafter tails and to fascia and barge rafters.