Mold On Roof Rafters

The nutrients are usually organic materials such as dust dirt and the.

Mold on roof rafters.

Attic mold is often caused by warm moist air from the house leaking into the attic space. If mold needs to be removed from a roof deck through which roofing nails penetrate hand wiping is not feasible. There s an underlying moisture issue that needs to be resolved because mold requires moisture to grow and spread. Examine the insulation along your rafters.

In the vast majority of cases the mold growth is caused by condensation. This causes condensation to form on the cold surfaces in the attic especially roof rafters sheathing and trusses. Attic mold left unchecked can grow and lead to structural deterioration of attic sheathing and roof structural elements. Mold requires two things to grow.

Re roofing with lining lining papers sarking roofing felt can cause severe mold growth and rot due to reduced ventilation. At the south end of the roof the ridge changes direction causing an overlay condition. Power cleaning using spray equipment such as media blasting using baking soda or dry ice is very effective for these surfaces. At some point you will probably need to go to your attic for something.

Skips a few trusses and reappears on the next panel or two. Perhaps you use it for storage. Water and mold problems in the attic can deteriorate wood in the roof sheathing joists etc. 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.

Most mold professionals are not licensed to perform roof repair. Moisture in your attic typically comes from leaks or condensation. Mold problems are indications of water problems. Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest.

Second the current mold growth is killed with a fungicide. The black mold is on the first 3 truss panels. 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. Cleaning mold from irregular or hard to reach wood surfaces media blasting.

Fourth the residual mold staining is treated with an encapsulant. A 10 x 10 area of plywood has been removed to provide air into this area. Third the attic is dried out either using natural air flow or mechanical heating and dehumidification.