Moss growing on a roof may or may not be considered attractive or quaint but there is no doubt that extensive moss on a roof can seriously damage the roof by growing under and raising or.
Remove moss growing on roof.
Liquid moss killers cover the roof more evenly than dry powders and they let you stay on the ground for the application.
Continue layering the solution as needed to keep the moss damp for 20 minutes.
Use a solution of bleach vinegar or dish soap for this.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
When the moss is dead scrub it off then install zinc flashing to prevent more moss growth.
Trim branches overhanging your roof keep gutters free of debris and regularly remove moisture collectors such as leaves branches and seedpods that pile up on the roof and encourage moss to grow.
A north facing roof usually has little sunlight which enables moss to buildup on the roof.
Rinse your roof with cold water.
Moss growing on a roof lifts the shingles and allows water to seep underneath and rot the roof deck.
The best long term solution.
You should consider trimming trees that shade out the roof or moving garden features like pergolas or trellises so that they do not cast shade on the roof.
Hose off and brush all moss loose from your roof shingles.
Grab your oxygen bleach solution and apply it to all sections of moss growth.
Even so you will always need to mount the roof later on in order to remove the dead moss.
First let the sunshine in.
Again many years of roof life are lost to power washing.
Moss growing under roof slate and tiles can push the slate out of position allowing rainwater to seep into the roof structure.
If the water will not reach the peak of the roof from the ground you can spray while standing on a ladder.
Remove sources of shade.
To remove moss you first have to kill it.
Moss prefers to grow in the shade so exposing more of your roof to sunlight will help deter it.
Using your brush scrub the moss off of your roof working from top to bottom.
Moss can grow quite quickly and it will grow in between roof tiles filling in the voids and lifting up roof tiles and slates.
How to remove moss from an asphalt roof a reader wants to get this moss cleared off an asphalt roof without damaging the shingles.
Happily there are preventive measures you can use to keep your roof moss free.