Mold On Roof Rafters

The roof has baffles at alternating thusses soffit and ridge vents.

Mold on roof rafters.

Cleaning mold from irregular or hard to reach wood surfaces media blasting. The black mold is on the first 3 truss panels. At some point you will probably need to go to your attic for something. 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.

Second the current mold growth is killed with a fungicide. And eventually cause wood rot and reducing the life of your roof. Mold problems are indications of water problems. Attic mold is often caused by warm moist air from the house leaking into the attic space.

Fourth the residual mold staining is treated with an encapsulant. There s an underlying moisture issue that needs to be resolved because mold requires moisture to grow and spread. A 10 x 10 area of plywood has been removed to provide air into this area. Perhaps you use it for storage.

Attic mold left unchecked can grow and lead to structural deterioration of attic sheathing and roof structural elements. Mold requires two things to grow. Examine the insulation along your rafters. Skips a few trusses and reappears on the next panel or two.

If mold needs to be removed from a roof deck through which roofing nails penetrate hand wiping is not feasible. 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. The nutrients are usually organic materials such as dust dirt and the.

Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest. In the vast majority of cases the mold growth is caused by condensation. Power cleaning using spray equipment such as media blasting using baking soda or dry ice is very effective for these surfaces. 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. Re roofing with lining lining papers sarking roofing felt can cause severe mold growth and rot due to reduced ventilation. Moisture in your attic typically comes from leaks or condensation.