The grit is spread over the roof to do exactly what the moss is doing ie shielding the felt.
Is moss on flat roof bad.
Moss absorbs moisture from the weather and stores itself and establishes the roots there.
Moss can be beautiful depending upon the weather and circumstances but growing moss on your rooftop is never considered as lovely rather it ends up with a costly flat roof replacement vaughan.
A flat roof of any kind of material can become a host to moss.
However moss growing on your roof top is not considered lovely and should be deemed as a nemesis to your roof.
The removal of moss from a flat roof is very important as moss will cause damage to many types of roof coating if allowed to grow as well as rolling into gutters which can cause blockages.
Will the moss cause problems to felt bitumen.
If you have moss on your home s roof you should have it taken care of.
Not so i use epdm if need be but 90 of flat roofing i do is with high performance t o sbs un min its far from straw and mud looks far better than epdm and will last a hell of a long time one of the main reasons felt roofs have a bad name is the jokers laying it builders come felters slaters that think they can felt diyers having ago.
Moss has the ability to damage your roof s integrity greatly.
While it does not directly damage the building unlike termites for example it can shorten the life of wood metal asphalt concrete or clay roofs simply by encouraging water to stick around in its shallow root system.
More importantly as many types of roof coating start to age they will slowly form small bumps and impressions.
When moss begins to grow on your roof you ll know that you already have a problem with the amount of moisture on your roof since moss needs moisture to grow.
The roof is almost completely covered in moss.
Why moss is bad for a roof and what to do about it.
However the following are some of the problems that moss will directly cause to your roof.
Moss absorbs the moisture from the damp environment and establishes roots on your roof causing the beginning of roof degradation.
Moss commonly thrives in environments that are damp and shaded.
I was going to brush off the moss plus any shingle that came loose in order to stop moss attacking the felt and smarten up the look from 1st floor windows.
Is this a good idea.
However dry moss killers can be difficult to dispense evenly and they can leave white streaks that sometimes remain on the roof until several hard rain showers wash them away.
Anything that holds moisture on a flat roof is generally considered a benefit but more so in the summer.
Dry powder moss killers being hands on products force you to go onto the roof and take stock of the moss problem.
This allows you to view the moss in advance of the removal process that follows.
Why moss is bad for your roof.
