White Mold Roof Rafters

Below are a few ways to check for possible roof leaks.

White mold roof rafters.

After all some mold shows up as a white powdery material but more often in a crawl space than an attic. Typically this is due to a missing or incomplete vapor barrier. In the attic photograph at left we show a mix of green gray and white attic mold. When looking for attic mold trace both leak areas and areas of poor ventilation in the attic.

Common food sources for white mold include wood drywall carpeting laminate insulation and any other organic carbon rich material. White mold is commonly found growing on wood surfaces. It is difficult to declare this one substance over another simply based on one s senses of sight or smell. What does attic mold look like.

Tea tree oil and white vinegar are both completely natural and safe for wood but. Like other molds white mold grows due to high moisture levels combined with the presence of a food source and the right temperature. Indicates condensation increase ventilation add soffit or ridge vents apply mould cleaner treat with boracol 10rh. In wet climates exposed soil in a crawlspace will often propagate mold growth.

When seeing under the microscope the body of the mold will look like filaments. Rafters sheathing joists attic side of fascia boards etc. They can appear as numerous white spots or blots or even small fibers when the growth is uncontrollable. White mold commonly looks like bright fluff like spots that spread on numbers of surfaces from plants to wood and even bread.

In the vast majority of cases the mold growth is caused by condensation. Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest. Rafters in the attic floor joists in the basement or crawlspace and wooden furniture are all places where you can find white mold. The combination of an organic food source dirt excess moisture and limited airflow creates the perfect conditions for mold growth.

Heavy white mold growth on floor joists. The client will certainly expect an explanation for this white material on the roof rafters in the attic. The photo at page top shows white attic mold on the roof sheathing and rafters and some brown or black mold on the attic side of ceiling drywall where we pulled back insulation. This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate.

Typical roof mould damp cold timber condensation mold growth. Roof leaks will often lead to a small localized area of attic mold near where the leak is occurring. Mix 1 teaspoon of white vinegar or tea tree oil with each cup of water that you need to attack your mold colony. Mould white blue or black spots on timber lining felt masonry.