You could replace all the roofing with new shingles dark enough to disguise the staining or with shingles laced with copper granules which are lethal to algae.
Getting moss off roof tiles.
Oh i used a hose and blasted it.
But that would only make sense if the shingles were worn out.
Moss and algae breakdown these protective layers shortening the lifespan of your roof.
Packing out any gaps and plugging the spaces.
Use the tool to gently lift away matted moss that has gathered on the flat sections of the shingles.
Hose off and brush all moss loose from your roof shingles.
Whilst a mossy roof might not be aesthetically pleasing you could end up in a lot more trouble should you decide to remove the spongy green invader from your roof tiles.
Scrape off the moss.
Removing moss from a roof can seem like a difficult task some people reach for the pressure washer but often you can clean the roof simply using a stiff bru.
Get the moss save the plants.
When leaves and other material collect on your roof a perfect bed is formed for moss and lichens to grow.
Climb up to the roof and begin scraping off dead moss from the shingles using a putty knife or painter s 5 in 1 tool and working from the bottom up.
The less expensive solution is to spray wash the roof with a 50 percent mix of water and bleach to get rid of the algae.
That s my bit my pay it forward for the day.
Moss growing under roof slate and tiles can push the slate out of position allowing rainwater to seep into the roof structure.
Which is exactly why you want to remove moss in the first place.
You can remove moss and lichens from your roof by using vinegar as a environmentally friendly weedkiller.
When moss grows in under and around your roof tiles it actually acts as a filler.
Destroy the moss and those tiles that were.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
Bleach and other detergents however do the same thing.
Bleach is particularly bad because it will get underneath your shingles and leave behind a tough dirty residue as it dries.
Work on one small section at a time which allows you better control of the brush and your scrubbing motions.
A north facing roof usually has little sunlight which enables moss to buildup on the roof.
Got an office.
Having now learned about the bleach i will do it again a few times more with some bleach y poo for the roof moss.
And catch the gutter run off.
Used my fertilizer sprayer 20 at the big box.