Identify the first tile to be removed and carefully lift the tile above it enough to allow you to slide the crowbar beneath it.
How to fix a water leak on a tile roof.
If a leak is difficult to find enlist a helper and go up on the roof with a garden hose.
Apply the primer approximately 5cm in every direction from the centre of the damaged area.
Keep in mind that clay roof tiles break easily under pressure so be very careful when walking on your roof to determine the cause of the leak.
If the roof is old then the chances are that the tiles have been fixed using mortar.
Start low soaking the area just above where the leak appears in the house.
Leak repairs to tile roofs cannot be repaired by sealing anything on top.
For example soak the downhill side of a chimney first then each side then the top on both sides.
The anatomy of a proper pipe flashing.
It must be sealed below the tiles.
There is no such thing as a tile roof leak where the repair can be done without first deconstructing the area of tiles and flashing.
Use a hammer to help with the removal but be careful to make sure that you will not damage the good tiles.
Isolate areas when you run the hose.
If several tiles must be replaced begin at one end and work your way across.
If the problem is in the waterproof membrane you will need to remove all your existing tiles and replace the old membrane with a new one.
Roof vent pipes from plumbing or exhaust vents penetrate the roof and are usually sealed using a collar style flashing made out of a flexible material like epdm rubber or flexible pvc.
Ascend the ladder with your tools and carefully make your way to the leaking section of the concrete tile roof.
Commonly called a pipe boot or vent pipe flashing the flexible seal hugs the vent pipe and seals it from water.
There are two main components to a pipe flashing.
Allow the primer to dry if instructed to do so by the packaging.
Got water leaks this is the cheapest and most effective way to do it without paying the high prices than roofing companies charge.
You will need to remove the damaged tiles using a pry bar.
Step 2 fix the membrane.
Liberally apply a coat of primer to the damaged area as well as the surrounding material.