Fungus On Roof Sheathing

Blocked soffit intake vents are ineffective in providing good under roof or attic ventilation causing wet and possibly moldy roof sheathing on those roof sections where no venting is provided.

Fungus on roof sheathing.

Mold growth provided it is not just cosmetic mold which can simply be left alone can be cleaned from wood surfaces by blasting scrubbing or even simple surface wiping depending on the surface accessibility and smoothness. Because wood is porous it may be difficult to remove the mold stains from sheathing but you can kill the mold by cleaning the sheathing with bleach and water. Mold that grows on the underside of roof sheathing due to ideal mold growth conditions being present. The presence of mold in your attic is often the result of poor ventilation insufficient insulation moisture from a roof leak or improper venting from your bathrooms or kitchen.

After that spray the solution on your roof let it sit for 15 20 minutes then scrub off the mold. Finally rinse your shingles with water to wash away the chemicals. Generally tearing off a roof and roof sheathing and perhaps roof framing to remove mold would not be sensible nor cost justified. Bleach kills fungus on contact.

Mold on the underside of roof sheathing is also very common. The mold will simply grow on top of and through the layer of paint. Combine 1 2 cup chlorine bleach with. If you see black stuff covering or growing on the roof sheathing in your attic it s probably mold.

Proper attic ventilation in your home is important for many reasons. This will be the perfect time to check on your gutters to make sure they are draining properly. After cleaning off the roof treat the roof with a moisture resistant solution to help keep moisture off. Simply mix the bleach and water spread the mix over your roof with a mop and hose the roof off.

Left unattended the moisture and fungal growth will eventually degrade the roof sheathing. Next mix 1 quart of bleach 1 gallon of water and cup of trisodium phosphate to make a cleaning solution. After several years of this there may be dark rings around protruding roofing nails and larger dark spots or areas on the roof sheathing and or exterior gable walls. Mold can form but often it is.