Mold On Roof Rafters

If mold needs to be removed from a roof deck through which roofing nails penetrate hand wiping is not feasible.

Mold on roof rafters.

Re roofing with lining lining papers sarking roofing felt can cause severe mold growth and rot due to reduced ventilation. Second the current mold growth is killed with a fungicide. There s an underlying moisture issue that needs to be resolved because mold requires moisture to grow and spread. Cleaning mold from irregular or hard to reach wood surfaces media blasting.

Water and mold problems in the attic can deteriorate wood in the roof sheathing joists etc. At the south end of the roof the ridge changes direction causing an overlay condition. At some point you will probably need to go to your attic for something. Perhaps you use it for storage.

Fourth the residual mold staining is treated with an encapsulant. In the vast majority of cases the mold growth is caused by condensation. This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate. This causes condensation to form on the cold surfaces in the attic especially roof rafters sheathing and trusses.

Most mold professionals are not licensed to perform roof repair. The nutrients are usually organic materials such as dust dirt and the. Third the attic is dried out either using natural air flow or mechanical heating and dehumidification. Mold problems are indications of water problems.

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. Examine the insulation along your rafters. And eventually cause wood rot and reducing the life of your roof. Attic mold is often caused by warm moist air from the house leaking into the attic space.

The roof has baffles at alternating thusses soffit and ridge vents. Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest. If the insulation has been affected by the mold remove it in thick trash bags and replace it with new insulation after you complete your mold remediation. Mold requires two things to grow.

Skips a few trusses and reappears on the next panel or two. A 10 x 10 area of plywood has been removed to provide air into this area. Attic mold left unchecked can grow and lead to structural deterioration of attic sheathing and roof structural elements.