Copper is more toxic to moss and algae but zinc.
Moss on roof problems.
We ve all seen those cute picturesque paintings of cottages with smoke billowing out of the chimney flowers blooming and quaint rooftops dabbled with moss.
Ultimately moss growth on a roof can result in costly repairs and can also reduce the lifespan of your roof.
If you find moss on your roof don t panic.
Finally simply poor roof drainage due to unprofessional installation or damage over time can result in excess moisture building up on your roof.
Removal of moss from roof tiles often requires the services of a professional contractor.
The reason being in most instances moss on roof tiles is rarely a problem and only needs to be removed if it is blocking gutters outlets and other drainage points on the roof.
Several potential problems may occur if your roofer simply adds a new roof over your existing moss covered roof.
Moss on roofs is a common problem here in the uk.
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.
Is it a problem.
As we said about green algae on roofs the presence of these black fungal or algal stains on the roof is an indicator that this roof area is in a shaded spot where you may want to be alert for development of moss or other roof problems but the level of damage from the black fungus or algae is probably low even less than that caused by lichens.
The other thing to be aware of is that it actually fills cracks when you remove it tiles can settle out of position and or expose cracks breakages.
If moss growth is severe it may have compromised the quality of your existing decking and underlayment.
Moss is not a huge problem unless you ignore it.
Dry powder moss killers being hands on products force you to go onto the roof and take stock of the moss problem.
Moss on roof tiles can cause multiple problems such as wood rotting and the obstruction of drainage points.
How can lichen mould and moss hurt my roof.
The only way to know for sure is to remove the shingles and look at.
Is moss on the roof a problem.
Moss on roof tiles.
As a rule of thumb professionally removing moss will cost about 5 of what it would take to replace your roof altogether.
Stop a moss problem from returning by installing strips of zinc or copper coated sheet metal just below the top ridge on both sides of the roof.
Most techniques that we have come across to remove moss are often achieved by violent means such as power washing which may cause damage to the roof.
These potential problems include.
Moss thrives in damp moist areas including roofs that are north facing or shaded by trees.
