Does it do more damage to leave the moss growing on your tiles or does removing it harm your roof even more.
Moss on flat tar and gravel roof.
Of all the flat roofing options a tar and gravel roof is the most economical.
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.
Moisture promotes wood rot and concrete decay.
Also a tar and gravel roof is very rugged and safe to walk on.
The traditional roof coating system simply do.
Removing the moss from your roof is a topic that is widely debated.
Tar and gravel roofing.
Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system.
Some companies do make specific moss.
Advantages of a tar and gravel roof.
Moss growing on a tar and gravel roof can damage the roof membrane in a very short period of time if allowed to spread over a large area.
Preparing and coating tar and gravel roofs can be extremely difficult with a traditional roof coating approach.
Moss develops from a spore growing down into the gravel and will retain water freezing in the cold months causing damage to the tar membrane.
It provides excellent protection against uv rays and is an attractive option for windows and decks that overlook the roof.
Built up roofs or burs also called a tar and gravel roof is a well established and popular style of flat roof that is made up of alternating layers of roofing felt or fiberglass and asphalt that is applied with heat which combine to make a long lasting sturdy roofing system.
If you allow large patches of moss to grow on your roof these patches hold water against the surface of.
Gravel is an excellent fire retardant.
If moss can slowly grow on these areas then.
You need to chemically break it down so you can rinse it away.
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.
A flat roof of any kind of material can become a host to moss.
If you have a home with a flat roof a tar and gravel roof may be a good option for you.
More importantly as many types of roof coating start to age they will slowly form small bumps and impressions.
Safer s de moss specifically made for removing moss is still available but considered a controlled herbicide in many jurisdictions.
Moss and algae tend to grow in damp shaded areas and can cause damage to your roof both directly and indirectly.
