First the roof leak itself must be remedied.
Roof mold remediation.
Lots of protruding nails through a roof deck preclude wiping or scrubbing the roof decking surface and media blasting might be appropriate in some situations.
The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae.
Over time if untreated mold can destroy a home by breaking down cellulose based materials like wood or ceiling tiles and causing a slow and messy decay.
Leave the surface to sit for 10 minutes while the hydrogen peroxide kills the mold.
This can be a problem for many homeowners and needs to be addressed as soon as it is found to avoid the consequences it can bring.
A very common form of roof mold removal is chlorine bleach.
Do not launch a costly attic or under roof mold cleanup job for harmless or cosmetic mold growths.
Then scrub the area to make sure to remove all the mold and mold stains.
Next mix 1 quart of bleach 1 gallon of water and cup of trisodium phosphate to make a cleaning solution.
Black mold growth on the underside of your roof and ceiling can be extremely common in some areas.
To kill mold pour 3 concentration hydrogen peroxide into a spray bottle.
If the surface is too porous to remove mold completely such as in ceiling tiles you may have to replace it.
Mold remediation is the process of identifying and removing unhealthy levels of mold that have colonized in a home office school or other building.
Typically you mix one part bleach with three parts water and add a pinch of tsp tri sodium phosphate for an extra strength solution.
Typically this aspect is performed by a roofing contractor rather than a mold remediation contractor.
Second the current mold growth is killed with a fungicide.
The average cost of mold remediation is 2 325 with most homeowners spending between 1 500 3 150 or 15 to 30 per square foot.
Scrub mold off hard surfaces such as window sills and tile with detergent and water and dry completely with a rag.
Most mold professionals are not licensed to perform roof repair.
For more porous surfaces like drywall just use a rag so you don t damage the surface with more abrasive cleaners.
By this old house tom silva installs a zinc strip to keep roof algae from coming back.
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.
If the moldy area is 10 square feet or less you can handle the job yourself for about 50.