Remove Moss From Roof With Bleach

Brush down from the top of the roof toward the ground to loosen and remove the moss.

Remove moss from roof with bleach.

If the moss continues to grow it can damage your roof or concrete. Chemical solutions can adversely affect the environment as well as damage foundation plantings growing beneath roof overhangs. Wind sunlight water etc. If you decide to use a bleach solution or other readymade roof moss treatment protect nearby plants with plastic sheeting.

They thrive in shady locations. Remove moss in just 3 steps and keep it off for good. The most effective method of cleaning algae and moss from a roof is with a 50 50 mix of laundry strength liquid chlorine bleach and water. Use a solution of bleach vinegar or dish soap for this.

It is this very oil tar and asphalt which protect your shingles from the elements. Do this at the end of the cleaning solution s time frame just before you rinse the roof with water. Kill it as soon as you see it. Moss is a collection of a bunch of smaller plants that have grown together.

Your shingles are made of a fiberglass mat that is covered with protective oils tar and asphalt. Moss may look quaint atop your house but it can greatly shorten a roof s lifespan. Chlorine bleach will do the job but it can damage or discolor certain types of roofing such as wooden shingles. Moss growing on a roof lifts the shingles and allows water to seep underneath and rot the roof deck.

Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association. According to tim carter author of the nationally syndicated column ask the builder bleach will kill the moss growing on your roof. The bleach will kill the algae or moss but rinsing won t necessarily leave the roof sparkling clean. In the pump sprayer pour a mixture of roughly 1 3 a gallon of bleach to 1 gallons of water.

Moss may grow on parts of your roof sidewalks or driveway that aren t directly exposed to the sun. Spray the bleach mixture on the roof. When the moss is dead scrub it off then install zinc flashing to prevent more moss growth. Algae will disappear and wash away with subsequent rains the association advises.

Opt for the least toxic moss killer. Moss roots are thin and loosen from your roof through contact with the bleach. To really get all moss and stains off your roof use a stiff bristled scrub brush. The reason you shouldn t use bleach to remove moss from your roof has to do with the composition of your shingles.

Oxygen bleach however will kill the moss without harming your roof. Spray any plants and grass underneath the roof with water again once the process is. Remove the harness system from the roof.