Depending on who you talk to roof moss or algae is either a serious problem for uk roofs or absolutely nothing to worry about.
How to get rid of moss on roof tiles uk.
Remove moss in just 3 steps and keep it off for good.
Work on one small section at a time which allows you better control of the brush and your scrubbing motions.
Moss can grow quite quickly and it will grow in between roof tiles filling in the voids and lifting up roof tiles and slates.
There are a few ways to get rid of the moss and some are more risky than.
When moss grows in under and around your roof tiles it actually acts as a filler.
Moss growing under roof slate and tiles can push the slate out of position allowing rainwater to seep into the roof structure.
Moss may look quaint atop your house but it can greatly shorten a roof s lifespan.
Less easy but of far greater importance is the next step of removing the dead moss from the roof.
Moss can lift up tiles and if left untreated this growth can actually add a substantial weight load to the roof itself.
Before applying a moss remover cleaner use a scrub brush 3 15 the home depot or a long handled soft bristle brush to gently scrape or pluck moss from the roof shingles or tiles.
A north facing roof usually has little sunlight which enables moss to buildup on the roof.
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.
When roof moss gets thick enough that it crowds out the shingles and creates decay there is no turning back.
Destroy the moss and those tiles that were.
At that point the roof must be replaced.
But there are easy ways to kill moss on your roof with either dry or wet applications.
In september 2012 the national federation of roofing contractors nfrc went so far as to say that moss on roof tiles is rarely a problem adding that it only need to be removed if it starts blocking gutters and other drainage points.
Packing out any gaps and plugging the spaces.
You may get streaky lines and uneven moss growth on flat tiles and certainly on tiles with a deep profile.