Fungus On Roof Rafters

These are distinct from molds and are relatively small in number in comparison to molds.

Fungus on roof rafters. Attic mold is often caused by warm moist air from the house leaking into the attic space. Wood rotting from the inside out compromises the structural integrity of the rafter. Re roofing with lining lining papers sarking roofing felt can cause severe mold growth and rot due to reduced ventilation. Rot dry rot wet rot white rot brown rot is caused by wood decay fungi.

Therefore we already know something about your third remediator and his or her claim. That could indeed be and looks like a white fungus or mold growth on roof sheathing. The roof deck appears to be 1 x 6 boards maybe pine. Working with active mold will only spread the fungus but you can.

A termite inspection revealed extensive drywood termite damage and fungus damage to roof sheathing at the eaves. Roof leaks will often lead to a small localized area of attic mold near where the leak is occurring. This causes condensation to form on the cold surfaces in the attic especially roof rafters sheathing and trusses. In short no.

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. Damage to rafter tails and to fascia and barge rafters. Seal any openings like vents and windows using plastic sheeting. 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.

I am planning on doing the repairs myself. Rotted wood rafters in a roof are a serious issue. Below are a few ways to check for possible roof leaks. Fungal spores hyphae and conidiophores the spore producing structures of mold.

It is not necessary to remove all stains from wood. They require much higher levels of available water to grow. I am wondering what would be the best replacement material. The name dry rot is a complete misnomer as all rot requires elevated quantities of moisture.

Check for areas of dark discoloration staining of wood e g. Rafters sheathing joists attic side of fascia boards etc. Testing attic mold in most cases testing for attic mold is unnecessary. 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.

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.