Well a properly executed silicone repair can be effective as a temporary or even permanent solution to this problem.
How to seal cracked roof tiles.
The buyer asked me what type of repairs needed to be performed and i told him the only acceptable repairs according to the roof tile manufacturers was to replace the broken tiles and that gluing them back together was considered only a temporary patch the homeowner.
1 scrub the area with a wire brush.
However as a short term solution where you do not have access to a fresh tile you can repair the cracked tile with roofing cement or silicone caulking.
Broken roof tile is pried out and removed so that a new replacement can be slipped in beneath the course above it.
So what happens if you get a cracked roof tile.
Small cracks or holes small cracks and holes can be repaired by filling the defect with plastic roofing cement.
Apply it directly on top of the cracked area and push it down into the crack with your finger or a putty knife thus capping the void and the leak.
However i have seen so many broken roof tiles repaired with silicone and still leak.
Clean the surface of the tile with a rag soaked.
Rinse the tile with clean water and dry with a clean towel.
The unglazed tile exposed by the crack absorbs water that isn t easily wiped dry so run a hair dryer over it for about 15 minutes to.