Mold In Roof Rafters

Re roofing with lining lining papers sarking roofing felt can cause severe mold growth and rot due to reduced ventilation.

Mold in roof rafters.

This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate. Generally tearing off a roof and roof sheathing and perhaps roof framing to remove mold would not be sensible nor cost justified. Mold problems are indications of water problems. Perhaps you use it for storage.

And eventually cause wood rot and reducing the life of your roof. Seal off the area. When removing mold from your attic your first concern should be protecting the rest of your home from it. 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.

How to remove mold from your attic. There s an underlying moisture issue that needs to be resolved because mold requires moisture to grow and spread. Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest. Cleaning mold from irregular or hard to reach wood surfaces media blasting.

Systemic growth occurs when the roof leak causes enough moisture buildup in the attic to cause mold growth throughout the entire area. Examine the insulation along your rafters. Water and mold problems in the attic can deteriorate wood in the roof sheathing joists etc. At some point you will probably need to go to your attic for something.

In this case the moisture buildup is indirect the roof leak only affects a small area but the dampness in the air causes condensation throughout. Power cleaning using spray equipment such as media blasting using baking soda or dry ice is very effective for these surfaces. In the vast majority of cases the mold growth is caused by condensation. 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.

Clean up the area. Attic mold left unchecked can grow and lead to structural deterioration of attic sheathing and roof structural elements.