Once all the moss is removed you ll need to kill the moss by carefully using bleach.
How to kill moss on a cedar roof.
Hose off and brush all moss loose from your roof shingles.
Using your brush scrub the moss off of your roof working from top to bottom.
The gentle power washing removes dirt mold mildew moss and dead wood fibers bringing the roof back to a rich new appearance without causing damage to the wood.
Continue layering the solution as needed to keep the moss damp for 20 minutes.
This temperature level permits the cedar material to thaw releasing the moss spores so they can be eradicated and allowing the wood to soak up more of the preventative and preservative oils.
Experts recommend that you save roof moss removal for a cloudy day.
7 protect nearby shrubs and lawn with plastic tarps.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye.
These types of bleaches are effective at killing algae and mold on cedar shake roof surfaces and they provide a clean tan colored finish.
Moss can be removed physically with water and a stiff brush on a pole or a scrub brush chemically or a bit of both.
Maintain a consistent flow of moss killer down the line.
Grab your oxygen bleach solution and apply it to all sections of moss growth.
Cedar roofs respond best to moss removal and cedar roofing maintenance when the temperature is consistently above 50 degrees.
Space between the strips.
Run the water for a moment until the moss killer begins to flow out.
6 to kill existing moss and lichen make a cleaning solution of equal parts bleach and water.
To apply wet moss killer attach the garden hose to the container.
The process for older roofs begins with treatment by a weathered wood restorer followed by a thorough yet safe cleaning service to the roof s cedar shakes and shingles.
Rinse your roof with cold water.
4 apply a dab of sealant to every nail head and run a bead of sealant under each shingle.
5 continue installing zinc strips across length of roof end to end leaving a 1 8 in.
Also using the right type of bleach removes just enough of the wood fibers that have weathered over time.
While i discourage the use of harsh chemicals due to safety and environmental reasons there may be specific.
This is oof cleaning products which should be left to absorb into the moss for at least 20 minutes will not evaporate as quickly as they would on sunny days.
Doing so can strip the cedar and damage the shingles which you may have to replace depending on how bad the damage is.
Instead you will need to use a hose and gently scrape the moss off of the surface of the roof.