Remove moss manually by the use of hand tools.
How to remove moss from roof without pressure washing.
Soft wash roof cleaning how to wash your roof safely best roof wash method video link you can share of this video https youtu be owkh b0brt8 in this video.
This is the industry standard.
After removing the moss physically smear a soft wash to the roof tiles using soft wash specialist equipment.
But the location of the moss determines whether you should use a pressure washer.
You have a 16 yr old roof with losts of moss.
Pressure washers are also dangerous because they can bruise or remove skin.
Experts recommend that you save roof moss removal for a cloudy day.
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.
It automatically kills moss on the roof.
A pressure washer with the highest pressure nozzle can even go through a shoe.
Taking safety precautions is always necessary when pressure washing.
After cleaning you ll also need to put some defensive measures into play to prevent roof moss from growing back.
Using a power washer on a roof is a personal choice however you can read my guide called should i use a power washer on my roof to learn about any potential problems caused by.
The company s website touts use of a custom cleaning solution specially blended to meet demands of each project but in most cases the solution used on roof moss is bleach and water he.
If you do decide to use a power washer to clean the moss off your roof make sure the pressure washer is set on the lowest pressure setting to avoid damaging your roof.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
Attach a 35 degree spray wand to the pressure washer hose and fill the pressure washer with a recommended cleaning solution.
Like rickengie i do the sweep as well as a flat bare to scrap the tough moss that a broom does not get and then use the moss be gone powder a day before the forecasted rain.
If your problem is black mold use a cleaner compounded to remove mold.
Listen to everyone who posted here do not pressure wash your roof.
If you can afford it especially if you have existing 3 tab on your roof almost to the end of its.
As i m sure you don t know fibre cement roof sheets are much softer that a slab of solid compressed cement a roof tile yet it is fine to pressure wash these.
Hose off and brush all moss loose from your roof shingles.
So yes a pressure washer will remove moss.