Fungus On Roof Rafters

This causes condensation to form on the cold surfaces in the attic especially roof rafters sheathing and trusses.

Fungus on roof rafters.

Rotted wood rafters in a roof are a serious 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. The name dry rot is a complete misnomer as all rot requires elevated quantities of moisture. With your attic contained you can begin drying the mold.

In short no. 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. Below are a few ways to check for possible roof leaks.

Fungal spores hyphae and conidiophores the spore producing structures of mold. Rafters sheathing joists attic side of fascia boards etc. I am wondering what would be the best replacement material. Attic mold is often caused by warm moist air from the house leaking into the attic space.

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. 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.

The roof deck appears to be 1 x 6 boards maybe pine. Check for areas of dark discoloration staining of wood e g. Re roofing with lining lining papers sarking roofing felt can cause severe mold growth and rot due to reduced ventilation. It is not necessary to remove all stains from wood.

They require much higher levels of available water to grow. Seal any openings like vents and windows using plastic sheeting. 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. Wood rotting from the inside out compromises the structural integrity of the rafter.

Working with active mold will only spread the fungus but you can. How to remove mold from wood framing plywood sheathing tongue and groove subfloor or roof decking the object in cleaning mold from a wood surface is to remove all fungal material from the surface of the wood. I am planning on doing the repairs myself. A termite inspection revealed extensive drywood termite damage and fungus damage to roof sheathing at the eaves.

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.