If a tile becomes loose it needs to be rebedded.
Removing roof tiles australia.
For best results mix the wet forget and spot spray the lichen leave for 10 15 minutes and then respray the lichen and the entire roof to ensure the lichen absorbs the wet forget thoroughly.
This will lift the overlapping tiles on the row above so the tile you want to remove should come out easily.
This will prevent the solution from draining in your direction.
Continue spraying until you see runoff then let the chemicals sit for 15 20 minutes to soak in and begin attacking the mold.
Checking for loose tiles.
Do this using two pieces of timber to hold them up.
Preparing the roof and tile for rebedding.
This involves carefully removing the tile.
Begin by lifting up the next door overlapping tile.
The vinegar should be labeled with its acetic acid strength which shouldn t be more than 5 percent.
If your tiles aren t lifting they may have nails holding them in place.
Once you have safely gotten to the broken tile you ll need to slightly lift the tiles that overlap the one to be removed.
Give the anti moss spray time to do its job and then use the high pressure cleaner to wash the tiles down.
Removing the old bedding.
If you are replacing a lighter roof such as a metal roof with roof tiles you may need to have the roof reinforced.
And applying mortar and rebedding the tile.
Start on lowest row of shingles and work your way backwards to the upper part of the roof.
Pour the mixture into the spray bottle.
This will add to the cost and the length of time it takes to install the roof.
Of dish soap to help the vinegar cling to the moss and lichens.
Then use a brick trowel to lift up the broken over the baton underneath and slide it down and out.
This will remove all the moss and lichen as well as any built up dirt.
Removing a tile from the roof.
For an average 3 bedroom tile roof with lichen you would require 3 x 5 litre packs depending on the total area covered with lichen.
Pour distilled white vinegar into a bucket.
If you have an old asbestos roof the cost of removing the roof will be higher and you will probably have to hire an asbestos removal service to remove and dispose of the asbestos tiles.