White Mold On Roof Trusses

This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate.

White mold on roof trusses.

If the wood used in trusses is kiln dried the moisture content is equal to or less than 19. 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. White mold growth provides an additional challenge because it is often confused with efflorescence a crystalline growth structure found on concrete and masonry surfaces. Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest.

Mix 1 teaspoon of white vinegar or tea tree oil with each cup of water that you need to attack your mold colony. In the vast majority of cases the mold growth is caused by condensation. Mould white blue or black spots on timber lining felt masonry. Tea tree oil and white vinegar are both completely natural and safe for wood but.

Indicates condensation increase ventilation add soffit or ridge vents apply mould cleaner treat with boracol 10rh. This growth will cease once the moisture content drops to 19 or less. Efflorescence occurs when water moves through a masonry structure bringing unbounded salts to the surface. Typical roof mould damp cold timber condensation mold growth.